1351421044 has 6 divisors (see below), whose sum is σ = 2364986834. Its totient is φ = 675710520.

The previous prime is 1351421003. The next prime is 1351421047. The reversal of 1351421044 is 4401241531.

It can be written as a sum of positive squares in only one way, i.e., 1204090000 + 147331044 = 34700^2 + 12138^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351421047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168927627 + ... + 168927634.

Almost surely, 2^1351421044 is an apocalyptic number.

It is an amenable number.

1351421044 is a deficient number, since it is larger than the sum of its proper divisors (1013565790).

1351421044 is a wasteful number, since it uses less digits than its factorization.

1351421044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337855265 (or 337855263 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1351421044 is about 36761.6790149743. The cubic root of 1351421044 is about 1105.5971040395.

Adding to 1351421044 its reverse (4401241531), we get a palindrome (5752662575).

The spelling of 1351421044 in words is "one billion, three hundred fifty-one million, four hundred twenty-one thousand, forty-four".