1201025125 has 8 divisors (see below), whose sum is σ = 1498879512. Its totient is φ = 960820000.

The previous prime is 1201025113. The next prime is 1201025141. The reversal of 1201025125 is 5215201021.

It can be written as a sum of positive squares in 4 ways, for example, as 5387041 + 1195638084 = 2321^2 + 34578^2 .

It is not a de Polignac number, because 1201025125 - 2⁹ = 1201024613 is a prime.

It is a super-2 number, since 2×1201025125² = 2884922701762531250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4803976 + ... + 4804225.

It is an arithmetic number, because the mean of its divisors is an integer number (187359939).

Almost surely, 2^1201025125 is an apocalyptic number.

It is an amenable number.

1201025125 is a deficient number, since it is larger than the sum of its proper divisors (297854387).

1201025125 is an frugal number, since it uses more digits than its factorization.

1201025125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9608216 (or 9608206 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1201025125 is about 34655.8093975599. The cubic root of 1201025125 is about 1062.9610824633.

Adding to 1201025125 its reverse (5215201021), we get a palindrome (6416226146).

The spelling of 1201025125 in words is "one billion, two hundred one million, twenty-five thousand, one hundred twenty-five".