1207942289 has 8 divisors (see below), whose sum is σ = 1218551040. Its totient is φ = 1197359776.

The previous prime is 1207942273. The next prime is 1207942291. The reversal of 1207942289 is 9822497021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1207942289 - 2⁴ = 1207942273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1207942889) 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, 92372 + ... + 104634.

It is an arithmetic number, because the mean of its divisors is an integer number (152318880).

Almost surely, 2^1207942289 is an apocalyptic number.

It is an amenable number.

1207942289 is a deficient number, since it is larger than the sum of its proper divisors (10608751).

1207942289 is a wasteful number, since it uses less digits than its factorization.

1207942289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13119.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1207942289 is about 34755.4641603302. The cubic root of 1207942289 is about 1064.9978440448.

The spelling of 1207942289 in words is "one billion, two hundred seven million, nine hundred forty-two thousand, two hundred eighty-nine".