1210625080 has 128 divisors (see below), whose sum is σ = 3309465600. Its totient is φ = 389081088.

The previous prime is 1210625027. The next prime is 1210625153. The reversal of 1210625080 is 805260121.

It is a super-2 number, since 2×1210625080² = 2931226168650012800, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 1994137 + ... + 1994743.

It is an arithmetic number, because the mean of its divisors is an integer number (25855200).

Almost surely, 2^1210625080 is an apocalyptic number.

1210625080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210625080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1654732800).

1210625080 is an abundant number, since it is smaller than the sum of its proper divisors (2098840520).

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

1210625080 is a wasteful number, since it uses less digits than its factorization.

1210625080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1210625080 is about 34794.0379950359. The cubic root of 1210625080 is about 1065.7857001220.

The spelling of 1210625080 in words is "one billion, two hundred ten million, six hundred twenty-five thousand, eighty".