1197921025 has 24 divisors (see below), whose sum is σ = 1786978880. Its totient is φ = 778196160.

The previous prime is 1197921019. The next prime is 1197921037. The reversal of 1197921025 is 5201297911.

It is not a de Polignac number, because 1197921025 - 2¹⁷ = 1197789953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176814 + ... + 183463.

Almost surely, 2^1197921025 is an apocalyptic number.

It is an amenable number.

1197921025 is a deficient number, since it is larger than the sum of its proper divisors (589057855).

1197921025 is a wasteful number, since it uses less digits than its factorization.

1197921025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360313 (or 360308 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 37.

The square root of 1197921025 is about 34610.9957239025. The cubic root of 1197921025 is about 1062.0445365022.

The spelling of 1197921025 in words is "one billion, one hundred ninety-seven million, nine hundred twenty-one thousand, twenty-five".