107742531 has 16 divisors (see below), whose sum is σ = 157246880. Its totient is φ = 65214720.

The previous prime is 107742517. The next prime is 107742533. The reversal of 107742531 is 135247701.

107742531 is nontrivially palindromic in base 12.

It is not a de Polignac number, because 107742531 - 2⁷ = 107742403 is a prime.

It is a super-2 number, since 2×107742531² = 23216905972571922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107742533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20266 + ... + 25023.

It is an arithmetic number, because the mean of its divisors is an integer number (9827930).

Almost surely, 2^107742531 is an apocalyptic number.

107742531 is a deficient number, since it is larger than the sum of its proper divisors (49504349).

107742531 is a wasteful number, since it uses less digits than its factorization.

107742531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45366.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 107742531 is about 10379.9099707078. The cubic root of 107742531 is about 475.8415824664.

The spelling of 107742531 in words is "one hundred seven million, seven hundred forty-two thousand, five hundred thirty-one".