1250120530 has 16 divisors (see below), whose sum is σ = 2258777664. Its totient is φ = 498145840.

The previous prime is 1250120489. The next prime is 1250120537. The reversal of 1250120530 is 350210521.

It is a junction number, because it is equal to n+sod(n) for n = 1250120498 and 1250120507.

It is not an unprimeable number, because it can be changed into a prime (1250120537) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 235036 + ... + 240295.

It is an arithmetic number, because the mean of its divisors is an integer number (141173604).

Almost surely, 2^1250120530 is an apocalyptic number.

1250120530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1250120530 is a deficient number, since it is larger than the sum of its proper divisors (1008657134).

1250120530 is a wasteful number, since it uses less digits than its factorization.

1250120530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475601.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1250120530 is about 35357.0435698462. The cubic root of 1250120530 is about 1077.2519671049.

The spelling of 1250120530 in words is "one billion, two hundred fifty million, one hundred twenty thousand, five hundred thirty".