103215070 has 24 divisors (see below), whose sum is σ = 216120744. Its totient is φ = 35387856.

The previous prime is 103215067. The next prime is 103215083. The reversal of 103215070 is 70512301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104832 + ... + 105811.

It is an arithmetic number, because the mean of its divisors is an integer number (9005031).

Almost surely, 2^103215070 is an apocalyptic number.

103215070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103215070 is an abundant number, since it is smaller than the sum of its proper divisors (112905674).

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

103215070 is a wasteful number, since it uses less digits than its factorization.

103215070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210664 (or 210657 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 103215070 is about 10159.4817781223. The cubic root of 103215070 is about 469.0808503965.

Adding to 103215070 its reverse (70512301), we get a palindrome (173727371).

The spelling of 103215070 in words is "one hundred three million, two hundred fifteen thousand, seventy".