1298971004 has 24 divisors (see below), whose sum is σ = 2328232368. Its totient is φ = 633790080.

The previous prime is 1298970997. The next prime is 1298971033. The reversal of 1298971004 is 4001798921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224354 + ... + 230070.

It is an arithmetic number, because the mean of its divisors is an integer number (97009682).

Almost surely, 2^1298971004 is an apocalyptic number.

It is an amenable number.

1298971004 is a deficient number, since it is larger than the sum of its proper divisors (1029261364).

1298971004 is a wasteful number, since it uses less digits than its factorization.

1298971004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7085 (or 7083 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 1298971004 is about 36041.2403227192. The cubic root of 1298971004 is about 1091.1048483560.

The spelling of 1298971004 in words is "one billion, two hundred ninety-eight million, nine hundred seventy-one thousand, four".