1072915 has 8 divisors (see below), whose sum is σ = 1309680. Its totient is φ = 843552.

The previous prime is 1072901. The next prime is 1072919. The reversal of 1072915 is 5192701.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1072915 is a prime.

It is a super-2 number, since 2×1072915² = 2302293194450, which contains 22 as substring.

1072915 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1072915.

It is not an unprimeable number, because it can be changed into a prime (1072919) 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, 1524 + ... + 2113.

It is an arithmetic number, because the mean of its divisors is an integer number (163710).

2^1072915 is an apocalyptic number.

1072915 is a deficient number, since it is larger than the sum of its proper divisors (236765).

1072915 is an equidigital number, since it uses as much as digits as its factorization.

1072915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3701.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 1072915 is about 1035.8161033697. The cubic root of 1072915 is about 102.3737092234.

The spelling of 1072915 in words is "one million, seventy-two thousand, nine hundred fifteen".