101472042 has 24 divisors (see below), whose sum is σ = 236078496. Its totient is φ = 28991928.

The previous prime is 101472037. The next prime is 101472043. The reversal of 101472042 is 240274101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (101472043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172278 + ... + 172865.

It is an arithmetic number, because the mean of its divisors is an integer number (9836604).

Almost surely, 2^101472042 is an apocalyptic number.

101472042 is an abundant number, since it is smaller than the sum of its proper divisors (134606454).

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

101472042 is a wasteful number, since it uses less digits than its factorization.

101472042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345162 (or 345155 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 101472042 is about 10073.3332120009. Note that the first 3 decimals coincide. The cubic root of 101472042 is about 466.4253363319.

The spelling of 101472042 in words is "one hundred one million, four hundred seventy-two thousand, forty-two".