1245954458 has 12 divisors (see below), whose sum is σ = 2174063562. Its totient is φ = 533980440.

The previous prime is 1245954419. The next prime is 1245954461. The reversal of 1245954458 is 8544595421.

It can be written as a sum of positive squares in only one way, i.e., 1229413969 + 16540489 = 35063^2 + 4067^2 .

It is a super-2 number, since 2×1245954458² = 3104805022820147528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6356813 + ... + 6357008.

Almost surely, 2^1245954458 is an apocalyptic number.

1245954458 is a deficient number, since it is larger than the sum of its proper divisors (928109104).

1245954458 is a wasteful number, since it uses less digits than its factorization.

1245954458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12713837 (or 12713830 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 47.

The square root of 1245954458 is about 35298.0800894326. The cubic root of 1245954458 is about 1076.0539749185.

The spelling of 1245954458 in words is "one billion, two hundred forty-five million, nine hundred fifty-four thousand, four hundred fifty-eight".