101977230 has 16 divisors (see below), whose sum is σ = 244745424. Its totient is φ = 27193920.

The previous prime is 101977223. The next prime is 101977243. The reversal of 101977230 is 32779101.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 3399241 = 101977230 / (1 + 0 + 1 + 9 + 7 + 7 + 2 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1699591 + ... + 1699650.

It is an arithmetic number, because the mean of its divisors is an integer number (15296589).

Almost surely, 2^101977230 is an apocalyptic number.

101977230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101977230 is an abundant number, since it is smaller than the sum of its proper divisors (142768194).

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

101977230 is a wasteful number, since it uses less digits than its factorization.

101977230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399251.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 101977230 is about 10098.3775924650. The cubic root of 101977230 is about 467.1981026255.

The spelling of 101977230 in words is "one hundred one million, nine hundred seventy-seven thousand, two hundred thirty".