120606871225 has 9 divisors (see below), whose sum is σ = 149554673517. Its totient is φ = 96484107840.

The previous prime is 120606871219. The next prime is 120606871283. The reversal of 120606871225 is 522178606021.

The square root of 120606871225 is 347285.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 35858345769 + 84748525456 = 189363^2 + 291116^2 .

It is not a de Polignac number, because 120606871225 - 2⁷ = 120606871097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1701697 + ... + 1771153.

Almost surely, 2^120606871225 is an apocalyptic number.

120606871225 is the 347285-th square number.

120606871225 is the 173643-rd centered octagonal number.

It is an amenable number.

120606871225 is a deficient number, since it is larger than the sum of its proper divisors (28947802292).

120606871225 is an frugal number, since it uses more digits than its factorization.

120606871225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138924 (or 69462 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 120606871225 in words is "one hundred twenty billion, six hundred six million, eight hundred seventy-one thousand, two hundred twenty-five".