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120734881 is a prime number
BaseRepresentation
bin1110011001001…
…00010010100001
322102011222010021
413030210102201
5221402004011
615551433441
72664141511
oct714442241
9272158107
10120734881
11621739a3
1234525881
131c023577
141206b841
15a8ed471
hex73244a1

120734881 has 2 divisors, whose sum is σ = 120734882. Its totient is φ = 120734880.

The previous prime is 120734857. The next prime is 120734891. The reversal of 120734881 is 188437021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111830625 + 8904256 = 10575^2 + 2984^2 .

It is an emirp because it is prime and its reverse (188437021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120734881 is a prime.

It is a super-2 number, since 2×1207348812 = 29153822980168322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120734851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60367440 + 60367441.

It is an arithmetic number, because the mean of its divisors is an integer number (60367441).

Almost surely, 2120734881 is an apocalyptic number.

It is an amenable number.

120734881 is a deficient number, since it is larger than the sum of its proper divisors (1).

120734881 is an equidigital number, since it uses as much as digits as its factorization.

120734881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 120734881 is about 10987.9425280623. The cubic root of 120734881 is about 494.2472400162.

The spelling of 120734881 in words is "one hundred twenty million, seven hundred thirty-four thousand, eight hundred eighty-one".