101421250 has 80 divisors (see below), whose sum is σ = 221779008. Its totient is φ = 34056000.

The previous prime is 101421239. The next prime is 101421289. The reversal of 101421250 is 52124101.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 586164 + ... + 586336.

Almost surely, 2^101421250 is an apocalyptic number.

101421250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101421250 is an abundant number, since it is smaller than the sum of its proper divisors (120357758).

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

101421250 is an equidigital number, since it uses as much as digits as its factorization.

101421250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 101421250 is about 10070.8117845584. The cubic root of 101421250 is about 466.3475000166.

Adding to 101421250 its reverse (52124101), we get a palindrome (153545351).

The spelling of 101421250 in words is "one hundred one million, four hundred twenty-one thousand, two hundred fifty".