101039040 has 84 divisors (see below), whose sum is σ = 347542104. Its totient is φ = 26942976.

The previous prime is 101039039. The next prime is 101039051. The reversal of 101039040 is 40930101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14662 + ... + 20421.

It is an arithmetic number, because the mean of its divisors is an integer number (4137406).

Almost surely, 2^101039040 is an apocalyptic number.

101039040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101039040 is an abundant number, since it is smaller than the sum of its proper divisors (246503064).

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

101039040 is a wasteful number, since it uses less digits than its factorization.

101039040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35106 (or 35093 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 101039040 is about 10051.8177460597. The cubic root of 101039040 is about 465.7609462361.

Adding to 101039040 its reverse (40930101), we get a palindrome (141969141).

The spelling of 101039040 in words is "one hundred one million, thirty-nine thousand, forty".