1201431079 has 2 divisors, whose sum is σ = 1201431080. Its totient is φ = 1201431078.

The previous prime is 1201431067. The next prime is 1201431103. The reversal of 1201431079 is 9701341021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201431079 - 2¹⁷ = 1201300007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201431379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600715539 + 600715540.

It is an arithmetic number, because the mean of its divisors is an integer number (600715540).

Almost surely, 2^1201431079 is an apocalyptic number.

1201431079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201431079 is an equidigital number, since it uses as much as digits as its factorization.

1201431079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1201431079 is about 34661.6658428299. The cubic root of 1201431079 is about 1063.0808314692.

The spelling of 1201431079 in words is "one billion, two hundred one million, four hundred thirty-one thousand, seventy-nine".