1451321012 has 6 divisors (see below), whose sum is σ = 2539811778. Its totient is φ = 725660504.

The previous prime is 1451321009. The next prime is 1451321033. The reversal of 1451321012 is 2101231541.

It can be written as a sum of positive squares in only one way, i.e., 848323876 + 602997136 = 29126^2 + 24556^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181415123 + ... + 181415130.

It is an arithmetic number, because the mean of its divisors is an integer number (423301963).

Almost surely, 2^1451321012 is an apocalyptic number.

It is an amenable number.

1451321012 is a deficient number, since it is larger than the sum of its proper divisors (1088490766).

1451321012 is a wasteful number, since it uses less digits than its factorization.

1451321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362830257 (or 362830255 counting only the distinct ones).

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

The square root of 1451321012 is about 38096.2073177895. The cubic root of 1451321012 is about 1132.1948132460.

Adding to 1451321012 its reverse (2101231541), we get a palindrome (3552552553).

The spelling of 1451321012 in words is "one billion, four hundred fifty-one million, three hundred twenty-one thousand, twelve".