1262660425 has 12 divisors (see below), whose sum is σ = 1686137740. Its totient is φ = 932425920.

The previous prime is 1262660407. The next prime is 1262660459. The reversal of 1262660425 is 5240662621.

It can be written as a sum of positive squares in 6 ways, for example, as 295014976 + 967645449 = 17176^2 + 31107^2 .

It is not a de Polignac number, because 1262660425 - 2¹¹ = 1262658377 is a prime.

It is a super-2 number, since 2×1262660425² = 3188622697722361250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1942230 + ... + 1942879.

Almost surely, 2^1262660425 is an apocalyptic number.

It is an amenable number.

1262660425 is a deficient number, since it is larger than the sum of its proper divisors (423477315).

1262660425 is a wasteful number, since it uses less digits than its factorization.

1262660425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885132 (or 3885127 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1262660425 is about 35533.9334298921. The cubic root of 1262660425 is about 1080.8419432069.

The spelling of 1262660425 in words is "one billion, two hundred sixty-two million, six hundred sixty thousand, four hundred twenty-five".