1421501112 has 48 divisors (see below), whose sum is σ = 4052529000. Its totient is φ = 448894656.

The previous prime is 1421501111. The next prime is 1421501143. The reversal of 1421501112 is 2111051241.

It is a super-2 number, since 2×1421501112² = 4041330822834473088, 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 not an unprimeable number, because it can be changed into a prime (1421501111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 518187 + ... + 520922.

Almost surely, 2^1421501112 is an apocalyptic number.

1421501112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1421501112 is an abundant number, since it is smaller than the sum of its proper divisors (2631027888).

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

1421501112 is a wasteful number, since it uses less digits than its factorization.

1421501112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039140 (or 1039133 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1421501112 is about 37702.7997899360. The cubic root of 1421501112 is about 1124.3867899631.

Adding to 1421501112 its reverse (2111051241), we get a palindrome (3532552353).

The spelling of 1421501112 in words is "one billion, four hundred twenty-one million, five hundred one thousand, one hundred twelve".