1303661972 has 36 divisors (see below), whose sum is σ = 2485558656. Its totient is φ = 597583440.

The previous prime is 1303661971. The next prime is 1303661977. The reversal of 1303661972 is 2791663031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303661971) 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, 30203 + ... + 59325.

It is an arithmetic number, because the mean of its divisors is an integer number (69043296).

Almost surely, 2^1303661972 is an apocalyptic number.

It is an amenable number.

1303661972 is a deficient number, since it is larger than the sum of its proper divisors (1181896684).

1303661972 is a wasteful number, since it uses less digits than its factorization.

1303661972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29196 (or 29175 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 1303661972 is about 36106.2594573296. The cubic root of 1303661972 is about 1092.4167044245.

The spelling of 1303661972 in words is "one billion, three hundred three million, six hundred sixty-one thousand, nine hundred seventy-two".