101262040 has 64 divisors (see below), whose sum is σ = 249622560. Its totient is φ = 36664320.

The previous prime is 101262019. The next prime is 101262041. The reversal of 101262040 is 40262101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101262041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163812 + ... + 164428.

Almost surely, 2^101262040 is an apocalyptic number.

101262040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101262040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124811280).

101262040 is an abundant number, since it is smaller than the sum of its proper divisors (148360520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101262040 is a wasteful number, since it uses less digits than its factorization.

101262040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 101262040 is about 10062.9041533744. The cubic root of 101262040 is about 466.1033497679.

The spelling of 101262040 in words is "one hundred one million, two hundred sixty-two thousand, forty".