1123051939 has 2 divisors, whose sum is σ = 1123051940. Its totient is φ = 1123051938.

The previous prime is 1123051879. The next prime is 1123051987. The reversal of 1123051939 is 9391503211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123051939 - 2²¹ = 1120954787 is a prime.

It is a super-3 number, since 3×1123051939³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1123055939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561525969 + 561525970.

It is an arithmetic number, because the mean of its divisors is an integer number (561525970).

Almost surely, 2^1123051939 is an apocalyptic number.

1123051939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123051939 is an equidigital number, since it uses as much as digits as its factorization.

1123051939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 1123051939 is about 33511.9671013207. The cubic root of 1123051939 is about 1039.4412491070.

It can be divided in two parts, 112305 and 1939, that added together give a square (114244 = 338²).

The spelling of 1123051939 in words is "one billion, one hundred twenty-three million, fifty-one thousand, nine hundred thirty-nine".