101299740 has 24 divisors (see below), whose sum is σ = 283639440. Its totient is φ = 27013248.

The previous prime is 101299733. The next prime is 101299741. The reversal of 101299740 is 47992101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101299741) 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, 844105 + ... + 844224.

It is an arithmetic number, because the mean of its divisors is an integer number (11818310).

Almost surely, 2^101299740 is an apocalyptic number.

101299740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101299740 is an abundant number, since it is smaller than the sum of its proper divisors (182339700).

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

101299740 is a wasteful number, since it uses less digits than its factorization.

101299740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688341 (or 1688339 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 101299740 is about 10064.7771957456. Note that the first 3 decimals coincide. The cubic root of 101299740 is about 466.1611862353.

The spelling of 101299740 in words is "one hundred one million, two hundred ninety-nine thousand, seven hundred forty".