1132123402 has 16 divisors (see below), whose sum is σ = 1764115200. Its totient is φ = 544248880.

The previous prime is 1132123397. The next prime is 1132123409. The reversal of 1132123402 is 2043212311.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1132123402.

It is not an unprimeable number, because it can be changed into a prime (1132123409) 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, 26974 + ... + 54697.

It is an arithmetic number, because the mean of its divisors is an integer number (110257200).

Almost surely, 2^1132123402 is an apocalyptic number.

1132123402 is a deficient number, since it is larger than the sum of its proper divisors (631991798).

1132123402 is a wasteful number, since it uses less digits than its factorization.

1132123402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81941.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1132123402 is about 33647.0415044176. The cubic root of 1132123402 is about 1042.2324461810.

Adding to 1132123402 its reverse (2043212311), we get a palindrome (3175335713).

The spelling of 1132123402 in words is "one billion, one hundred thirty-two million, one hundred twenty-three thousand, four hundred two".