1250015150 has 12 divisors (see below), whose sum is σ = 2325028272. Its totient is φ = 500006040.

The previous prime is 1250015119. The next prime is 1250015167. The reversal of 1250015150 is 515100521.

It is a happy number.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12500102 + ... + 12500201.

It is an arithmetic number, because the mean of its divisors is an integer number (193752356).

Almost surely, 2^1250015150 is an apocalyptic number.

1250015150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1250015150 is a deficient number, since it is larger than the sum of its proper divisors (1075013122).

1250015150 is a wasteful number, since it uses less digits than its factorization.

1250015150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25000315 (or 25000310 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 1250015150 is about 35355.5533120329. The cubic root of 1250015150 is about 1077.2216969564.

Adding to 1250015150 its reverse (515100521), we get a palindrome (1765115671).

The spelling of 1250015150 in words is "one billion, two hundred fifty million, fifteen thousand, one hundred fifty".