101125739 has 16 divisors (see below), whose sum is σ = 120763104. Its totient is φ = 83462400.

The previous prime is 101125691. The next prime is 101125747. The reversal of 101125739 is 937521101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101125739 is a prime.

It is a super-2 number, since 2×101125739² = 20452830176592242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101125799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2927 + ... + 14519.

It is an arithmetic number, because the mean of its divisors is an integer number (7547694).

Almost surely, 2^101125739 is an apocalyptic number.

101125739 is a deficient number, since it is larger than the sum of its proper divisors (19637365).

101125739 is a wasteful number, since it uses less digits than its factorization.

101125739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11678.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 101125739 is about 10056.1294243859. The cubic root of 101125739 is about 465.8941273109.

It can be divided in two parts, 10112 and 5739, that added together give a palindrome (15851).

The spelling of 101125739 in words is "one hundred one million, one hundred twenty-five thousand, seven hundred thirty-nine".