101263994 has 16 divisors (see below), whose sum is σ = 165824232. Its totient is φ = 46096128.

The previous prime is 101263979. The next prime is 101263997. The reversal of 101263994 is 499362101.

It can be written as a sum of positive squares in 4 ways, for example, as 91107025 + 10156969 = 9545^2 + 3187^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (101263997) 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, 24779 + ... + 28574.

Almost surely, 2^101263994 is an apocalyptic number.

101263994 is a deficient number, since it is larger than the sum of its proper divisors (64560238).

101263994 is a wasteful number, since it uses less digits than its factorization.

101263994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53441.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 101263994 is about 10063.0012421742. The cubic root of 101263994 is about 466.1063477985.

The spelling of 101263994 in words is "one hundred one million, two hundred sixty-three thousand, nine hundred ninety-four".