120851877 has 4 divisors (see below), whose sum is σ = 161135840. Its totient is φ = 80567916.

The previous prime is 120851833. The next prime is 120851911. The reversal of 120851877 is 778158021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 120851877 - 2⁶ = 120851813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120851807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20141977 + ... + 20141982.

It is an arithmetic number, because the mean of its divisors is an integer number (40283960).

Almost surely, 2^120851877 is an apocalyptic number.

It is an amenable number.

120851877 is a deficient number, since it is larger than the sum of its proper divisors (40283963).

120851877 is an equidigital number, since it uses as much as digits as its factorization.

120851877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40283962.

The product of its (nonzero) digits is 31360, while the sum is 39.

The square root of 120851877 is about 10993.2650745809. The cubic root of 120851877 is about 494.4068356568.

The spelling of 120851877 in words is "one hundred twenty million, eight hundred fifty-one thousand, eight hundred seventy-seven".