1401040120 has 32 divisors (see below), whose sum is σ = 3153420720. Its totient is φ = 560224000.

The previous prime is 1401040079. The next prime is 1401040177. The reversal of 1401040120 is 210401041.

It is a super-2 number, since 2×1401040120² = 3925826835699228800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1401040120.

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, 196620 + ... + 203620.

Almost surely, 2^1401040120 is an apocalyptic number.

1401040120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401040120 is an abundant number, since it is smaller than the sum of its proper divisors (1752380600).

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

1401040120 is a wasteful number, since it uses less digits than its factorization.

1401040120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12015 (or 12011 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1401040120 is about 37430.4704752692. The cubic root of 1401040120 is about 1118.9659141542.

Adding to 1401040120 its reverse (210401041), we get a palindrome (1611441161).

The spelling of 1401040120 in words is "one billion, four hundred one million, forty thousand, one hundred twenty".