101390377 has 6 divisors (see below), whose sum is σ = 111445754. Its totient is φ = 92172960.

The previous prime is 101390321. The next prime is 101390389. The reversal of 101390377 is 773093101.

It can be written as a sum of positive squares in only one way, i.e., 62900761 + 38489616 = 7931^2 + 6204^2 .

It is a de Polignac number, because none of the positive numbers 2^k-101390377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101390077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 418848 + ... + 419089.

Almost surely, 2^101390377 is an apocalyptic number.

It is an amenable number.

101390377 is a deficient number, since it is larger than the sum of its proper divisors (10055377).

101390377 is an equidigital number, since it uses as much as digits as its factorization.

101390377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837959 (or 837948 counting only the distinct ones).

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 101390377 is about 10069.2788718954. The cubic root of 101390377 is about 466.3001759186.

The spelling of 101390377 in words is "one hundred one million, three hundred ninety thousand, three hundred seventy-seven".