1451421912 has 16 divisors (see below), whose sum is σ = 3628554840. Its totient is φ = 483807296.

The previous prime is 1451421911. The next prime is 1451421919. The reversal of 1451421912 is 2191241541.

It is a self number, because there is not a number n which added to its sum of digits gives 1451421912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451421911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30237933 + ... + 30237980.

Almost surely, 2^1451421912 is an apocalyptic number.

1451421912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1451421912 is an abundant number, since it is smaller than the sum of its proper divisors (2177132928).

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

1451421912 is a wasteful number, since it uses less digits than its factorization.

1451421912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60475922 (or 60475918 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 1451421912 is about 38097.5315735810. The cubic root of 1451421912 is about 1132.2210504484.

The spelling of 1451421912 in words is "one billion, four hundred fifty-one million, four hundred twenty-one thousand, nine hundred twelve".