101402406 has 48 divisors (see below), whose sum is σ = 256449024. Its totient is φ = 28354032.

The previous prime is 101402387. The next prime is 101402419. The reversal of 101402406 is 604204101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2640 + ... + 14483.

It is an arithmetic number, because the mean of its divisors is an integer number (5342688).

Almost surely, 2^101402406 is an apocalyptic number.

101402406 is an abundant number, since it is smaller than the sum of its proper divisors (155046618).

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

101402406 is a wasteful number, since it uses less digits than its factorization.

101402406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17185 (or 17182 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 101402406 is about 10069.8761660708. The cubic root of 101402406 is about 466.3186158770.

Adding to 101402406 its reverse (604204101), we get a palindrome (705606507).

The spelling of 101402406 in words is "one hundred one million, four hundred two thousand, four hundred six".