1254269123 has 2 divisors, whose sum is σ = 1254269124. Its totient is φ = 1254269122.

The previous prime is 1254269077. The next prime is 1254269153. The reversal of 1254269123 is 3219624521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1254269123 is a prime.

It is a super-2 number, since 2×1254269123² = 3146382065822378258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1254269153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627134561 + 627134562.

It is an arithmetic number, because the mean of its divisors is an integer number (627134562).

Almost surely, 2^1254269123 is an apocalyptic number.

1254269123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254269123 is an equidigital number, since it uses as much as digits as its factorization.

1254269123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 35.

The square root of 1254269123 is about 35415.6621143810. The cubic root of 1254269123 is about 1078.4422911120.

The spelling of 1254269123 in words is "one billion, two hundred fifty-four million, two hundred sixty-nine thousand, one hundred twenty-three".