101399476 has 6 divisors (see below), whose sum is σ = 177449090. Its totient is φ = 50699736.

The previous prime is 101399471. The next prime is 101399477. The reversal of 101399476 is 674993101.

It can be written as a sum of positive squares in only one way, i.e., 90706576 + 10692900 = 9524^2 + 3270^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101399471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12674931 + ... + 12674938.

Almost surely, 2^101399476 is an apocalyptic number.

It is an amenable number.

101399476 is a deficient number, since it is larger than the sum of its proper divisors (76049614).

101399476 is a wasteful number, since it uses less digits than its factorization.

101399476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25349873 (or 25349871 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 101399476 is about 10069.7306816022. The cubic root of 101399476 is about 466.3141244428.

It can be divided in two parts, 1013 and 99476, that added together give a square (100489 = 317²).

The spelling of 101399476 in words is "one hundred one million, three hundred ninety-nine thousand, four hundred seventy-six".