1115715242 has 8 divisors (see below), whose sum is σ = 1718804676. Its totient is φ = 542780352.

The previous prime is 1115715221. The next prime is 1115715301. The reversal of 1115715242 is 2425175111.

It can be written as a sum of positive squares in 2 ways, for example, as 1112956321 + 2758921 = 33361^2 + 1661^2 .

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

It is a super-2 number, since 2×1115715242² = 2489641002462237128, which contains 22 as substring.

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, 7538543 + ... + 7538690.

Almost surely, 2^1115715242 is an apocalyptic number.

1115715242 is a deficient number, since it is larger than the sum of its proper divisors (603089434).

1115715242 is a wasteful number, since it uses less digits than its factorization.

1115715242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15077272.

The product of its digits is 2800, while the sum is 29.

The square root of 1115715242 is about 33402.3239011899. The cubic root of 1115715242 is about 1037.1728076882.

The spelling of 1115715242 in words is "one billion, one hundred fifteen million, seven hundred fifteen thousand, two hundred forty-two".