1401111132 has 24 divisors (see below), whose sum is σ = 3273942672. Its totient is φ = 466368000.

The previous prime is 1401111121. The next prime is 1401111137. The reversal of 1401111132 is 2311111041.

It is a super-2 number, since 2×1401111132² = 3926224808428642848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401111137) 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 7 ways as a sum of consecutive naturals, for example, 74869 + ... + 91692.

It is an arithmetic number, because the mean of its divisors is an integer number (136414278).

Almost surely, 2^1401111132 is an apocalyptic number.

1401111132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1401111132 is an abundant number, since it is smaller than the sum of its proper divisors (1872831540).

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

1401111132 is a wasteful number, since it uses less digits than its factorization.

1401111132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167269 (or 167267 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1401111132 is about 37431.4190487083. The cubic root of 1401111132 is about 1118.9848188389.

Adding to 1401111132 its reverse (2311111041), we get a palindrome (3712222173).

Subtracting 1401111132 from its reverse (2311111041), we obtain a palindrome (909999909).

The spelling of 1401111132 in words is "one billion, four hundred one million, one hundred eleven thousand, one hundred thirty-two".