1207771225 has 12 divisors (see below), whose sum is σ = 1498203216. Its totient is φ = 965851280.

The previous prime is 1207771223. The next prime is 1207771237. The reversal of 1207771225 is 5221777021.

It is not a de Polignac number, because 1207771225 - 2¹ = 1207771223 is a prime.

It is a super-2 number, since 2×1207771225² = 2917422663876001250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1207771223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72534 + ... + 87616.

It is an arithmetic number, because the mean of its divisors is an integer number (124850268).

Almost surely, 2^1207771225 is an apocalyptic number.

It is an amenable number.

1207771225 is a deficient number, since it is larger than the sum of its proper divisors (290431991).

1207771225 is a wasteful number, since it uses less digits than its factorization.

1207771225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18296 (or 18291 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 34.

The square root of 1207771225 is about 34753.0031076452. The cubic root of 1207771225 is about 1064.9475680800.

The spelling of 1207771225 in words is "one billion, two hundred seven million, seven hundred seventy-one thousand, two hundred twenty-five".