1011425250 has 64 divisors (see below), whose sum is σ = 2754041472. Its totient is φ = 245192000.

The previous prime is 1011425249. The next prime is 1011425263. The reversal of 1011425250 is 525241101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53049 + ... + 69548.

It is an arithmetic number, because the mean of its divisors is an integer number (43031898).

Almost surely, 2^1011425250 is an apocalyptic number.

1011425250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011425250 is an abundant number, since it is smaller than the sum of its proper divisors (1742616222).

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

1011425250 is a wasteful number, since it uses less digits than its factorization.

1011425250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122628 (or 122618 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1011425250 is about 31802.9126024646. The cubic root of 1011425250 is about 1003.7940039961.

Adding to 1011425250 its reverse (525241101), we get a palindrome (1536666351).

The spelling of 1011425250 in words is "one billion, eleven million, four hundred twenty-five thousand, two hundred fifty".