1451021132 has 24 divisors (see below), whose sum is σ = 2771715072. Its totient is φ = 659178000.

The previous prime is 1451021129. The next prime is 1451021141. The reversal of 1451021132 is 2311201541.

It is a super-2 number, since 2×1451021132² = 4210924651021122848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77393 + ... + 94295.

It is an arithmetic number, because the mean of its divisors is an integer number (115488128).

Almost surely, 2^1451021132 is an apocalyptic number.

It is an amenable number.

1451021132 is a deficient number, since it is larger than the sum of its proper divisors (1320693940).

1451021132 is a wasteful number, since it uses less digits than its factorization.

1451021132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18869 (or 18867 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1451021132 is about 38092.2712895936. The cubic root of 1451021132 is about 1132.1168277498.

Adding to 1451021132 its reverse (2311201541), we get a palindrome (3762222673).

The spelling of 1451021132 in words is "one billion, four hundred fifty-one million, twenty-one thousand, one hundred thirty-two".