1400124144 has 40 divisors (see below), whose sum is σ = 3618849232. Its totient is φ = 466467840.

The previous prime is 1400124139. The next prime is 1400124151. The reversal of 1400124144 is 4414210041.

It is a super-3 number, since 3×1400124144³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1400124144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103704 + ... + 116424.

Almost surely, 2^1400124144 is an apocalyptic number.

It is an amenable number.

1400124144 is an abundant number, since it is smaller than the sum of its proper divisors (2218725088).

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

1400124144 is a wasteful number, since it uses less digits than its factorization.

1400124144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15025 (or 15019 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1400124144 is about 37418.2327749454. The cubic root of 1400124144 is about 1118.7220074184.

Adding to 1400124144 its reverse (4414210041), we get a palindrome (5814334185).

The spelling of 1400124144 in words is "one billion, four hundred million, one hundred twenty-four thousand, one hundred forty-four".