101389724 has 12 divisors (see below), whose sum is σ = 177723000. Its totient is φ = 50611728.

The previous prime is 101389723. The next prime is 101389741. The reversal of 101389724 is 427983101.

It is a super-2 number, since 2×101389724² = 20559752265592352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101389721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17999 + ... + 22950.

It is an arithmetic number, because the mean of its divisors is an integer number (14810250).

Almost surely, 2^101389724 is an apocalyptic number.

It is an amenable number.

101389724 is a deficient number, since it is larger than the sum of its proper divisors (76333276).

101389724 is a wasteful number, since it uses less digits than its factorization.

101389724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41572 (or 41570 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 101389724 is about 10069.2464464825. The cubic root of 101389724 is about 466.2991748549.

The spelling of 101389724 in words is "one hundred one million, three hundred eighty-nine thousand, seven hundred twenty-four".