1421496372 has 12 divisors (see below), whose sum is σ = 3316824896. Its totient is φ = 473832120.

The previous prime is 1421496371. The next prime is 1421496379. The reversal of 1421496372 is 2736941241.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1421496372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421496371) 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, 59229004 + ... + 59229027.

Almost surely, 2^1421496372 is an apocalyptic number.

1421496372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1421496372 is an abundant number, since it is smaller than the sum of its proper divisors (1895328524).

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

1421496372 is a wasteful number, since it uses less digits than its factorization.

1421496372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118458038 (or 118458036 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 1421496372 is about 37702.7369298304. The cubic root of 1421496372 is about 1124.3855402046.

The spelling of 1421496372 in words is "one billion, four hundred twenty-one million, four hundred ninety-six thousand, three hundred seventy-two".