103157621 has 8 divisors (see below), whose sum is σ = 120403200. Its totient is φ = 86539248.

The previous prime is 103157597. The next prime is 103157633. The reversal of 103157621 is 126751301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103157621 - 2¹⁰ = 103156597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103153621) 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, 156446 + ... + 157103.

It is an arithmetic number, because the mean of its divisors is an integer number (15050400).

Almost surely, 2^103157621 is an apocalyptic number.

It is an amenable number.

103157621 is a deficient number, since it is larger than the sum of its proper divisors (17245579).

103157621 is an equidigital number, since it uses as much as digits as its factorization.

103157621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313603.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 103157621 is about 10156.6540258099. The cubic root of 103157621 is about 468.9938048806.

The spelling of 103157621 in words is "one hundred three million, one hundred fifty-seven thousand, six hundred twenty-one".