1207012009 has 16 divisors (see below), whose sum is σ = 1440488448. Its totient is φ = 988864272.

The previous prime is 1207011991. The next prime is 1207012057. The reversal of 1207012009 is 9002107021.

It is a cyclic number.

It is not a de Polignac number, because 1207012009 - 2⁵ = 1207011977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1207052009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363334 + ... + 366640.

It is an arithmetic number, because the mean of its divisors is an integer number (90030528).

Almost surely, 2^1207012009 is an apocalyptic number.

It is an amenable number.

1207012009 is a deficient number, since it is larger than the sum of its proper divisors (233476439).

1207012009 is a wasteful number, since it uses less digits than its factorization.

1207012009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5604.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1207012009 is about 34742.0783632759. The cubic root of 1207012009 is about 1064.7243760575.

The spelling of 1207012009 in words is "one billion, two hundred seven million, twelve thousand, nine".