120874655 has 16 divisors (see below), whose sum is σ = 158505984. Its totient is φ = 87758880.

The previous prime is 120874651. The next prime is 120874681. The reversal of 120874655 is 556478021.

Added to its reverse (556478021) it gives a square (677352676 = 26026²).

It is not a de Polignac number, because 120874655 - 2² = 120874651 is a prime.

It is a super-2 number, since 2×120874655² = 29221364442738050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120874651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38474 + ... + 41496.

It is an arithmetic number, because the mean of its divisors is an integer number (9906624).

Almost surely, 2^120874655 is an apocalyptic number.

120874655 is a deficient number, since it is larger than the sum of its proper divisors (37631329).

120874655 is a wasteful number, since it uses less digits than its factorization.

120874655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 120874655 is about 10994.3010237122. The cubic root of 120874655 is about 494.4378954184.

Adding to 120874655 its reverse (556478021), we get a square (677352676 = 26026²).

The spelling of 120874655 in words is "one hundred twenty million, eight hundred seventy-four thousand, six hundred fifty-five".