1400124112 has 10 divisors (see below), whose sum is σ = 2712740498. Its totient is φ = 700062048.

The previous prime is 1400124107. The next prime is 1400124139. The reversal of 1400124112 is 2114210041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1367816256 + 32307856 = 36984^2 + 5684^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 87507757 = 1400124112 / (1 + 4 + 0 + 0 + 1 + 2 + 4 + 1 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43753863 + ... + 43753894.

Almost surely, 2^1400124112 is an apocalyptic number.

It is an amenable number.

1400124112 is a deficient number, since it is larger than the sum of its proper divisors (1312616386).

1400124112 is an equidigital number, since it uses as much as digits as its factorization.

1400124112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87507765 (or 87507759 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1400124112 is about 37418.2323473464. The cubic root of 1400124112 is about 1118.7219988955.

Adding to 1400124112 its reverse (2114210041), we get a palindrome (3514334153).

The spelling of 1400124112 in words is "one billion, four hundred million, one hundred twenty-four thousand, one hundred twelve".