1139123270 has 8 divisors (see below), whose sum is σ = 2050421904. Its totient is φ = 455649304.

The previous prime is 1139123263. The next prime is 1139123273. The reversal of 1139123270 is 723219311.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139123273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56956154 + ... + 56956173.

It is an arithmetic number, because the mean of its divisors is an integer number (256302738).

Almost surely, 2^1139123270 is an apocalyptic number.

1139123270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1139123270 is a deficient number, since it is larger than the sum of its proper divisors (911298634).

1139123270 is a wasteful number, since it uses less digits than its factorization.

1139123270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113912334.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 1139123270 is about 33750.9002842887. The cubic root of 1139123270 is about 1044.3760597003.

The spelling of 1139123270 in words is "one billion, one hundred thirty-nine million, one hundred twenty-three thousand, two hundred seventy".