1250542530 has 32 divisors (see below), whose sum is σ = 3334780800. Its totient is φ = 333477936.

The previous prime is 1250542519. The next prime is 1250542541. The reversal of 1250542530 is 352450521.

It is a happy number.

1250542530 is a `hidden beast` number, since 125 + 0 + 5 + 4 + 2 + 530 = 666.

It is an interprime number because it is at equal distance from previous prime (1250542519) and next prime (1250542541).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1250542494 and 1250542503.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2315550 + ... + 2316089.

It is an arithmetic number, because the mean of its divisors is an integer number (104211900).

Almost surely, 2^1250542530 is an apocalyptic number.

1250542530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1250542530 is an abundant number, since it is smaller than the sum of its proper divisors (2084238270).

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

1250542530 is a wasteful number, since it uses less digits than its factorization.

1250542530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4631655 (or 4631649 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1250542530 is about 35363.0107598321. The cubic root of 1250542530 is about 1077.3731685347.

The spelling of 1250542530 in words is "one billion, two hundred fifty million, five hundred forty-two thousand, five hundred thirty".