1260007406 has 16 divisors (see below), whose sum is σ = 2160508416. Its totient is φ = 539879256.

The previous prime is 1260007379. The next prime is 1260007423. The reversal of 1260007406 is 6047000621.

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, 80255 + ... + 94661.

It is an arithmetic number, because the mean of its divisors is an integer number (135031776).

Almost surely, 2^1260007406 is an apocalyptic number.

1260007406 is a deficient number, since it is larger than the sum of its proper divisors (900501010).

1260007406 is a wasteful number, since it uses less digits than its factorization.

1260007406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20663.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1260007406 is about 35496.5830186512. The cubic root of 1260007406 is about 1080.0844144124.

The spelling of 1260007406 in words is "one billion, two hundred sixty million, seven thousand, four hundred six".