1400123532 has 12 divisors (see below), whose sum is σ = 3266954936. Its totient is φ = 466707840.

The previous prime is 1400123531. The next prime is 1400123533. The reversal of 1400123532 is 2353210041.

It is an interprime number because it is at equal distance from previous prime (1400123531) and next prime (1400123533).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1400123499 and 1400123508.

It is not an unprimeable number, because it can be changed into a prime (1400123531) by changing a digit.

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, 58338469 + ... + 58338492.

Almost surely, 2^1400123532 is an apocalyptic number.

1400123532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1400123532 is an abundant number, since it is smaller than the sum of its proper divisors (1866831404).

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

1400123532 is a wasteful number, since it uses less digits than its factorization.

1400123532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116676968 (or 116676966 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1400123532 is about 37418.2245971131. The cubic root of 1400123532 is about 1118.7218444190.

Adding to 1400123532 its reverse (2353210041), we get a palindrome (3753333573).

The spelling of 1400123532 in words is "one billion, four hundred million, one hundred twenty-three thousand, five hundred thirty-two".