1252766830 has 48 divisors (see below), whose sum is σ = 2672688960. Its totient is φ = 421407168.

The previous prime is 1252766789. The next prime is 1252766861. The reversal of 1252766830 is 386672521.

1252766830 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1851 + ... + 50089.

It is an arithmetic number, because the mean of its divisors is an integer number (55681020).

Almost surely, 2^1252766830 is an apocalyptic number.

1252766830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252766830 is an abundant number, since it is smaller than the sum of its proper divisors (1419922130).

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

1252766830 is a wasteful number, since it uses less digits than its factorization.

1252766830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48313 (or 48306 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 1252766830 is about 35394.4463157711. The cubic root of 1252766830 is about 1078.0115532579.

The spelling of 1252766830 in words is "one billion, two hundred fifty-two million, seven hundred sixty-six thousand, eight hundred thirty".