1139107201 has 4 divisors (see below), whose sum is σ = 1140836400. Its totient is φ = 1137378004.

The previous prime is 1139107199. The next prime is 1139107237. The reversal of 1139107201 is 1027019311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1027019311 = 29 ⋅35414459.

It is a cyclic number.

It is not a de Polignac number, because 1139107201 - 2¹ = 1139107199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1139107901) 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, 863611 + ... + 864928.

It is an arithmetic number, because the mean of its divisors is an integer number (285209100).

Almost surely, 2^1139107201 is an apocalyptic number.

It is an amenable number.

1139107201 is a deficient number, since it is larger than the sum of its proper divisors (1729199).

1139107201 is an equidigital number, since it uses as much as digits as its factorization.

1139107201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729198.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 1139107201 is about 33750.6622305400. The cubic root of 1139107201 is about 1044.3711488599.

The spelling of 1139107201 in words is "one billion, one hundred thirty-nine million, one hundred seven thousand, two hundred one".