1123402732752 has 40 divisors (see below), whose sum is σ = 2927806251264. Its totient is φ = 371153703424.

The previous prime is 1123402732709. The next prime is 1123402732787. The reversal of 1123402732752 is 2572372043211.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1123402732752.

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 7 ways as a sum of consecutive naturals, for example, 103553088 + ... + 103563935.

Almost surely, 2^{1123402732752} is an apocalyptic number.

1123402732752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123402732752 is an abundant number, since it is smaller than the sum of its proper divisors (1804403518512).

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

1123402732752 is a wasteful number, since it uses less digits than its factorization.

1123402732752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207117147 (or 207117141 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

Adding to 1123402732752 its reverse (2572372043211), we get a palindrome (3695774775963).

The spelling of 1123402732752 in words is "one trillion, one hundred twenty-three billion, four hundred two million, seven hundred thirty-two thousand, seven hundred fifty-two".