101140479 has 12 divisors (see below), whose sum is σ = 159373032. Its totient is φ = 61297200.

The previous prime is 101140451. The next prime is 101140489. The reversal of 101140479 is 974041101.

It is not a de Polignac number, because 101140479 - 2²³ = 92751871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101140409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 510712 + ... + 510909.

It is an arithmetic number, because the mean of its divisors is an integer number (13281086).

Almost surely, 2^101140479 is an apocalyptic number.

101140479 is a deficient number, since it is larger than the sum of its proper divisors (58232553).

101140479 is a wasteful number, since it uses less digits than its factorization.

101140479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021638 (or 1021635 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 101140479 is about 10056.8622840327. The cubic root of 101140479 is about 465.9167623191.

The spelling of 101140479 in words is "one hundred one million, one hundred forty thousand, four hundred seventy-nine".