101862040 has 128 divisors (see below), whose sum is σ = 283046400. Its totient is φ = 32209920.

The previous prime is 101862031. The next prime is 101862049. The reversal of 101862040 is 40268101.

It is an interprime number because it is at equal distance from previous prime (101862031) and next prime (101862049).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101862049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217887 + ... + 218353.

It is an arithmetic number, because the mean of its divisors is an integer number (2211300).

Almost surely, 2^101862040 is an apocalyptic number.

101862040 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 101862040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141523200).

101862040 is an abundant number, since it is smaller than the sum of its proper divisors (181184360).

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

101862040 is a wasteful number, since it uses less digits than its factorization.

101862040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 101862040 is about 10092.6725895572. The cubic root of 101862040 is about 467.0221260038.

The spelling of 101862040 in words is "one hundred one million, eight hundred sixty-two thousand, forty".