1121432344 has 32 divisors (see below), whose sum is σ = 2197974240. Its totient is φ = 535392000.

The previous prime is 1121432281. The next prime is 1121432441. The reversal of 1121432344 is 4432341211.

It is a super-2 number, since 2×1121432344² = 2515221004338668672, which contains 22 as substring.

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105514 + ... + 115654.

It is an arithmetic number, because the mean of its divisors is an integer number (68686695).

Almost surely, 2^1121432344 is an apocalyptic number.

It is an amenable number.

1121432344 is a deficient number, since it is larger than the sum of its proper divisors (1076541896).

1121432344 is a wasteful number, since it uses less digits than its factorization.

1121432344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10771 (or 10767 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 1121432344 is about 33487.7939554101. The cubic root of 1121432344 is about 1038.9413364116.

Adding to 1121432344 its reverse (4432341211), we get a palindrome (5553773555).

The spelling of 1121432344 in words is "one billion, one hundred twenty-one million, four hundred thirty-two thousand, three hundred forty-four".