1260628458 has 16 divisors (see below), whose sum is σ = 2540504736. Its totient is φ = 417001520.

The previous prime is 1260628429. The next prime is 1260628477. The reversal of 1260628458 is 8548260621.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801141 + ... + 802712.

It is an arithmetic number, because the mean of its divisors is an integer number (158781546).

Almost surely, 2^1260628458 is an apocalyptic number.

1260628458 is an abundant number, since it is smaller than the sum of its proper divisors (1279876278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1260628458 is a wasteful number, since it uses less digits than its factorization.

1260628458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603989.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 1260628458 is about 35505.3299942417. The cubic root of 1260628458 is about 1080.2618415193.

The spelling of 1260628458 in words is "one billion, two hundred sixty million, six hundred twenty-eight thousand, four hundred fifty-eight".