120669537 has 16 divisors (see below), whose sum is σ = 162408960. Its totient is φ = 79692672.

The previous prime is 120669533. The next prime is 120669557. The reversal of 120669537 is 735966021.

It is not a de Polignac number, because 120669537 - 2² = 120669533 is a prime.

It is a super-2 number, since 2×120669537² = 29122274319588738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120669495 and 120669504.

It is not an unprimeable number, because it can be changed into a prime (120669533) 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, 211789 + ... + 212357.

It is an arithmetic number, because the mean of its divisors is an integer number (10150560).

Almost surely, 2^120669537 is an apocalyptic number.

It is an amenable number.

120669537 is a deficient number, since it is larger than the sum of its proper divisors (41739423).

120669537 is a wasteful number, since it uses less digits than its factorization.

120669537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 120669537 is about 10984.9686845252. The cubic root of 120669537 is about 494.1580586088.

The spelling of 120669537 in words is "one hundred twenty million, six hundred sixty-nine thousand, five hundred thirty-seven".