1487321252 has 12 divisors (see below), whose sum is σ = 2614279920. Its totient is φ = 740384136.

The previous prime is 1487321237. The next prime is 1487321263. The reversal of 1487321252 is 2521237841.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 818102 + ... + 819917.

It is an arithmetic number, because the mean of its divisors is an integer number (217856660).

Almost surely, 2^1487321252 is an apocalyptic number.

It is an amenable number.

1487321252 is a deficient number, since it is larger than the sum of its proper divisors (1126958668).

1487321252 is a wasteful number, since it uses less digits than its factorization.

1487321252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638250 (or 1638248 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 1487321252 is about 38565.8041793504. The cubic root of 1487321252 is about 1141.4798806809.

The spelling of 1487321252 in words is "one billion, four hundred eighty-seven million, three hundred twenty-one thousand, two hundred fifty-two".