1156240506 has 8 divisors (see below), whose sum is σ = 2312481024. Its totient is φ = 385413500.

The previous prime is 1156240441. The next prime is 1156240529. The reversal of 1156240506 is 6050426511.

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

1156240506 is an admirable 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, 96353370 + ... + 96353381.

It is an arithmetic number, because the mean of its divisors is an integer number (289060128).

Almost surely, 2^1156240506 is an apocalyptic number.

1156240506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1156240506 is a wasteful number, since it uses less digits than its factorization.

1156240506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192706756.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1156240506 is about 34003.5366689996. The cubic root of 1156240506 is about 1049.5812407231.

The spelling of 1156240506 in words is "one billion, one hundred fifty-six million, two hundred forty thousand, five hundred six".