101939070 has 32 divisors (see below), whose sum is σ = 251268768. Its totient is φ = 26448768.

The previous prime is 101939069. The next prime is 101939077. The reversal of 101939070 is 70939101.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101939077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44809 + ... + 47028.

It is an arithmetic number, because the mean of its divisors is an integer number (7852149).

Almost surely, 2^101939070 is an apocalyptic number.

101939070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101939070 is an abundant number, since it is smaller than the sum of its proper divisors (149329698).

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

101939070 is a wasteful number, since it uses less digits than its factorization.

101939070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91884.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 101939070 is about 10096.4880032613. The cubic root of 101939070 is about 467.1398199943.

The spelling of 101939070 in words is "one hundred one million, nine hundred thirty-nine thousand, seventy".