1172242534 has 8 divisors (see below), whose sum is σ = 1767200400. Its totient is φ = 583175736.

The previous prime is 1172242529. The next prime is 1172242543. The reversal of 1172242534 is 4352422711.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1172242496 and 1172242505.

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, 1472269 + ... + 1473064.

It is an arithmetic number, because the mean of its divisors is an integer number (220900050).

Almost surely, 2^1172242534 is an apocalyptic number.

1172242534 is a deficient number, since it is larger than the sum of its proper divisors (594957866).

1172242534 is a wasteful number, since it uses less digits than its factorization.

1172242534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945534.

The product of its digits is 13440, while the sum is 31.

The square root of 1172242534 is about 34238.0276009001. The cubic root of 1172242534 is about 1054.4010388377.

The spelling of 1172242534 in words is "one billion, one hundred seventy-two million, two hundred forty-two thousand, five hundred thirty-four".