1299427130 has 32 divisors (see below), whose sum is σ = 2480232960. Its totient is φ = 488469760.

The previous prime is 1299427123. The next prime is 1299427133. The reversal of 1299427130 is 317249921.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1299427133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116915 + ... + 127545.

It is an arithmetic number, because the mean of its divisors is an integer number (77507280).

Almost surely, 2^1299427130 is an apocalyptic number.

1299427130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1299427130 is a deficient number, since it is larger than the sum of its proper divisors (1180805830).

1299427130 is a wasteful number, since it uses less digits than its factorization.

1299427130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11374.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 1299427130 is about 36047.5676017120. The cubic root of 1299427130 is about 1091.2325450860.

The spelling of 1299427130 in words is "one billion, two hundred ninety-nine million, four hundred twenty-seven thousand, one hundred thirty".