1400120112 has 20 divisors (see below), whose sum is σ = 3616977080. Its totient is φ = 466706688.

The previous prime is 1400120039. The next prime is 1400120123. The reversal of 1400120112 is 2110210041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 3 ways as a sum of consecutive naturals, for example, 14584537 + ... + 14584632.

It is an arithmetic number, because the mean of its divisors is an integer number (180848854).

Almost surely, 2^1400120112 is an apocalyptic number.

1400120112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1400120112 is an abundant number, since it is smaller than the sum of its proper divisors (2216856968).

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

1400120112 is a wasteful number, since it uses less digits than its factorization.

1400120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29169180 (or 29169174 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1400120112 is about 37418.1788974290. The cubic root of 1400120112 is about 1118.7209335394.

Adding to 1400120112 its reverse (2110210041), we get a palindrome (3510330153).

The spelling of 1400120112 in words is "one billion, four hundred million, one hundred twenty thousand, one hundred twelve".