1152356242 has 12 divisors (see below), whose sum is σ = 1786095198. Its totient is φ = 557590800.

The previous prime is 1152356171. The next prime is 1152356297. The reversal of 1152356242 is 2426532511.

It can be written as a sum of positive squares in only one way, i.e., 1021505521 + 130850721 = 31961^2 + 11439^2 .

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 297859 + ... + 301702.

Almost surely, 2^1152356242 is an apocalyptic number.

1152356242 is a deficient number, since it is larger than the sum of its proper divisors (633738956).

1152356242 is an equidigital number, since it uses as much as digits as its factorization.

1152356242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599625 (or 599594 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 1152356242 is about 33946.3730315920. The cubic root of 1152356242 is about 1048.4046042039.

Adding to 1152356242 its reverse (2426532511), we get a palindrome (3578888753).

The spelling of 1152356242 in words is "one billion, one hundred fifty-two million, three hundred fifty-six thousand, two hundred forty-two".