1260347904 has 320 divisors, whose sum is σ = 4101166080. Its totient is φ = 380436480.

The previous prime is 1260347867. The next prime is 1260347927. The reversal of 1260347904 is 4097430621.

1260347904 is a `hidden beast` number, since 1 + 2 + 603 + 47 + 9 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7285162 + ... + 7285334.

It is an arithmetic number, because the mean of its divisors is an integer number (12816144).

Almost surely, 2^1260347904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1260347904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2050583040).

1260347904 is an abundant number, since it is smaller than the sum of its proper divisors (2840818176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1260347904 is a wasteful number, since it uses less digits than its factorization.

1260347904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 1260347904 is about 35501.3789027976. The cubic root of 1260347904 is about 1080.1816978247.

The spelling of 1260347904 in words is "one billion, two hundred sixty million, three hundred forty-seven thousand, nine hundred four".