1250016900 has 72 divisors (see below), whose sum is σ = 3945518304. Its totient is φ = 303033600.

The previous prime is 1250016847. The next prime is 1250016959. The reversal of 1250016900 is 96100521.

It is a super-2 number, since 2×1250016900² = 3125084500571220000, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 186097 + ... + 192696.

Almost surely, 2^1250016900 is an apocalyptic number.

1250016900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250016900 is an abundant number, since it is smaller than the sum of its proper divisors (2695501404).

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

1250016900 is a wasteful number, since it uses less digits than its factorization.

1250016900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378821 (or 378814 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 1250016900 is about 35355.5780606116. The cubic root of 1250016900 is about 1077.2221996536. Note that the first 3 decimals are identical.

The spelling of 1250016900 in words is "one billion, two hundred fifty million, sixteen thousand, nine hundred".