1292560126 has 16 divisors (see below), whose sum is σ = 2277798768. Its totient is φ = 542332800.

The previous prime is 1292560121. The next prime is 1292560147. The reversal of 1292560126 is 6210652921.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1292560091 and 1292560100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1292560121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2259435 + ... + 2260006.

It is an arithmetic number, because the mean of its divisors is an integer number (142362423).

Almost surely, 2^1292560126 is an apocalyptic number.

1292560126 is a deficient number, since it is larger than the sum of its proper divisors (985238642).

1292560126 is a wasteful number, since it uses less digits than its factorization.

1292560126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519467.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1292560126 is about 35952.1922280130. The cubic root of 1292560126 is about 1089.3068920769.

The spelling of 1292560126 in words is "one billion, two hundred ninety-two million, five hundred sixty thousand, one hundred twenty-six".