1120400961589 has 32 divisors (see below), whose sum is σ = 1460179719936. Its totient is φ = 834263055360.

The previous prime is 1120400961577. The next prime is 1120400961599. The reversal of 1120400961589 is 9851690040211.

It is a happy number.

It is not a de Polignac number, because 1120400961589 - 2¹¹ = 1120400959541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120400961599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35916579 + ... + 35947759.

It is an arithmetic number, because the mean of its divisors is an integer number (45630616248).

Almost surely, 2^{1120400961589} is an apocalyptic number.

It is an amenable number.

1120400961589 is a deficient number, since it is larger than the sum of its proper divisors (339778758347).

1120400961589 is a wasteful number, since it uses less digits than its factorization.

1120400961589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54445.

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 1120400961589 in words is "one trillion, one hundred twenty billion, four hundred million, nine hundred sixty-one thousand, five hundred eighty-nine".