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121053001 is a prime number
BaseRepresentation
bin1110011011100…
…01111101001001
322102210010111111
413031301331021
5221442144001
620002330321
72666635126
oct715617511
9272703444
10121053001
1162370a03
12346599a1
131c1052c4
141211174d
15a962851
hex7371f49

121053001 has 2 divisors, whose sum is σ = 121053002. Its totient is φ = 121053000.

The previous prime is 121052999. The next prime is 121053017. The reversal of 121053001 is 100350121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95043001 + 26010000 = 9749^2 + 5100^2 .

It is a cyclic number.

It is not a de Polignac number, because 121053001 - 21 = 121052999 is a prime.

It is a super-2 number, since 2×1210530012 = 29307658102212002, which contains 22 as substring.

Together with 121052999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (121053061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60526500 + 60526501.

It is an arithmetic number, because the mean of its divisors is an integer number (60526501).

Almost surely, 2121053001 is an apocalyptic number.

It is an amenable number.

121053001 is a deficient number, since it is larger than the sum of its proper divisors (1).

121053001 is an equidigital number, since it uses as much as digits as its factorization.

121053001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 121053001 is about 11002.4088726060. The cubic root of 121053001 is about 494.6809507475.

The spelling of 121053001 in words is "one hundred twenty-one million, fifty-three thousand, one".