1245255404 has 12 divisors (see below), whose sum is σ = 2229876264. Its totient is φ = 608147904.

The previous prime is 1245255377. The next prime is 1245255409. The reversal of 1245255404 is 4045525421.

It is a super-2 number, since 2×1245255404² = 3101322042382406432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1245255409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3619757 + ... + 3620100.

It is an arithmetic number, because the mean of its divisors is an integer number (185823022).

Almost surely, 2^1245255404 is an apocalyptic number.

It is an amenable number.

1245255404 is a deficient number, since it is larger than the sum of its proper divisors (984620860).

1245255404 is a wasteful number, since it uses less digits than its factorization.

1245255404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7239904 (or 7239902 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 1245255404 is about 35288.1765468266. The cubic root of 1245255404 is about 1075.8526940037.

The spelling of 1245255404 in words is "one billion, two hundred forty-five million, two hundred fifty-five thousand, four hundred four".