1012635250 has 32 divisors (see below), whose sum is σ = 2067990912. Its totient is φ = 368230000.

The previous prime is 1012635241. The next prime is 1012635289. The reversal of 1012635250 is 525362101.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 15 ways as a sum of consecutive naturals, for example, 181366 + ... + 186865.

It is an arithmetic number, because the mean of its divisors is an integer number (64624716).

Almost surely, 2^1012635250 is an apocalyptic number.

1012635250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012635250 is an abundant number, since it is smaller than the sum of its proper divisors (1055355662).

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

1012635250 is a wasteful number, since it uses less digits than its factorization.

1012635250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368259 (or 368249 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1012635250 is about 31821.9303311411. The cubic root of 1012635250 is about 1004.1941346419.

Adding to 1012635250 its reverse (525362101), we get a palindrome (1537997351).

The spelling of 1012635250 in words is "one billion, twelve million, six hundred thirty-five thousand, two hundred fifty".