101273980 has 12 divisors (see below), whose sum is σ = 212675400. Its totient is φ = 40509584.

The previous prime is 101273951. The next prime is 101274053. The reversal of 101273980 is 89372101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2531830 + ... + 2531869.

It is an arithmetic number, because the mean of its divisors is an integer number (17722950).

Almost surely, 2^101273980 is an apocalyptic number.

101273980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101273980 is an abundant number, since it is smaller than the sum of its proper divisors (111401420).

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

101273980 is a wasteful number, since it uses less digits than its factorization.

101273980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063708 (or 5063706 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 101273980 is about 10063.4974039844. The cubic root of 101273980 is about 466.1216687592.

The spelling of 101273980 in words is "one hundred one million, two hundred seventy-three thousand, nine hundred eighty".