101493957 has 8 divisors (see below), whose sum is σ = 135372384. Its totient is φ = 67639088.

The previous prime is 101493949. The next prime is 101493989. The reversal of 101493957 is 759394101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101493957 - 2³ = 101493949 is a prime.

It is a super-4 number, since 4×101493957⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101493937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11518 + ... + 18320.

It is an arithmetic number, because the mean of its divisors is an integer number (16921548).

Almost surely, 2^101493957 is an apocalyptic number.

It is an amenable number.

101493957 is a deficient number, since it is larger than the sum of its proper divisors (33878427).

101493957 is an equidigital number, since it uses as much as digits as its factorization.

101493957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11779.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 101493957 is about 10074.4209262865. The cubic root of 101493957 is about 466.4589120022.

The spelling of 101493957 in words is "one hundred one million, four hundred ninety-three thousand, nine hundred fifty-seven".