1401054012 has 18 divisors (see below), whose sum is σ = 3541553288. Its totient is φ = 467017992.

The previous prime is 1401053999. The next prime is 1401054023. The reversal of 1401054012 is 2104501041.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1401054012² = 3925904689082592288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19459048 + ... + 19459119.

Almost surely, 2^1401054012 is an apocalyptic number.

1401054012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1401054012 is an abundant number, since it is smaller than the sum of its proper divisors (2140499276).

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

1401054012 is a wasteful number, since it uses less digits than its factorization.

1401054012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38918177 (or 38918172 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1401054012 is about 37430.6560455464. The cubic root of 1401054012 is about 1118.9696125073.

Adding to 1401054012 its reverse (2104501041), we get a palindrome (3505555053).

The spelling of 1401054012 in words is "one billion, four hundred one million, fifty-four thousand, twelve".