103151990 has 8 divisors (see below), whose sum is σ = 185673600. Its totient is φ = 41260792.

The previous prime is 103151963. The next prime is 103152013. The reversal of 103151990 is 99151301.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5157590 + ... + 5157609.

It is an arithmetic number, because the mean of its divisors is an integer number (23209200).

Almost surely, 2^103151990 is an apocalyptic number.

103151990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103151990 is a deficient number, since it is larger than the sum of its proper divisors (82521610).

103151990 is a wasteful number, since it uses less digits than its factorization.

103151990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10315206.

The product of its (nonzero) digits is 1215, while the sum is 29.

The square root of 103151990 is about 10156.3768145929. The cubic root of 103151990 is about 468.9852711689.

The spelling of 103151990 in words is "one hundred three million, one hundred fifty-one thousand, nine hundred ninety".