101503997 has 4 divisors (see below), whose sum is σ = 116004576. Its totient is φ = 87003420.

The previous prime is 101503981. The next prime is 101503999. The reversal of 101503997 is 799305101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 101503997 - 2⁴ = 101503981 is a prime.

It is a super-2 number, since 2×101503997² = 20606122813952018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101503999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7250279 + ... + 7250292.

It is an arithmetic number, because the mean of its divisors is an integer number (29001144).

Almost surely, 2^101503997 is an apocalyptic number.

It is an amenable number.

101503997 is a deficient number, since it is larger than the sum of its proper divisors (14500579).

101503997 is an equidigital number, since it uses as much as digits as its factorization.

101503997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14500578.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 101503997 is about 10074.9192056314. The cubic root of 101503997 is about 466.4742925339.

The spelling of 101503997 in words is "one hundred one million, five hundred three thousand, nine hundred ninety-seven".