1250480645 has 16 divisors (see below), whose sum is σ = 1603706688. Its totient is φ = 932732160.

The previous prime is 1250480639. The next prime is 1250480653. The reversal of 1250480645 is 5460840521.

It is not a de Polignac number, because 1250480645 - 2¹⁰ = 1250479621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59651 + ... + 77840.

It is an arithmetic number, because the mean of its divisors is an integer number (100231668).

Almost surely, 2^1250480645 is an apocalyptic number.

It is an amenable number.

1250480645 is a deficient number, since it is larger than the sum of its proper divisors (353226043).

1250480645 is a wasteful number, since it uses less digits than its factorization.

1250480645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137620.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 1250480645 is about 35362.1357528077. The cubic root of 1250480645 is about 1077.3553964247.

The spelling of 1250480645 in words is "one billion, two hundred fifty million, four hundred eighty thousand, six hundred forty-five".