1120402231400 has 48 divisors (see below), whose sum is σ = 2630726672940. Its totient is φ = 443723648000.

The previous prime is 1120402231343. The next prime is 1120402231409. The reversal of 1120402231400 is 41322040211.

It can be written as a sum of positive squares in 6 ways, for example, as 1029165612484 + 91236618916 = 1014478^2 + 302054^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1120402231409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27712529 + ... + 27752928.

Almost surely, 2^{1120402231400} is an apocalyptic number.

1120402231400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120402231400 is an abundant number, since it is smaller than the sum of its proper divisors (1510324441540).

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

1120402231400 is a wasteful number, since it uses less digits than its factorization.

1120402231400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55465574 (or 55465565 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1120402231400 its reverse (41322040211), we get a palindrome (1161724271611).

The spelling of 1120402231400 in words is "one trillion, one hundred twenty billion, four hundred two million, two hundred thirty-one thousand, four hundred".