1121342502 has 32 divisors (see below), whose sum is σ = 2566121472. Its totient is φ = 320001984.

The previous prime is 1121342479. The next prime is 1121342531. The reversal of 1121342502 is 2052431211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20778 + ... + 51714.

It is an arithmetic number, because the mean of its divisors is an integer number (80191296).

Almost surely, 2^1121342502 is an apocalyptic number.

1121342502 is an abundant number, since it is smaller than the sum of its proper divisors (1444778970).

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

1121342502 is a wasteful number, since it uses less digits than its factorization.

1121342502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31812.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1121342502 is about 33486.4525144125. The cubic root of 1121342502 is about 1038.9135912217.

Adding to 1121342502 its reverse (2052431211), we get a palindrome (3173773713).

The spelling of 1121342502 in words is "one billion, one hundred twenty-one million, three hundred forty-two thousand, five hundred two".