1262161423 has 2 divisors, whose sum is σ = 1262161424. Its totient is φ = 1262161422.

The previous prime is 1262161387. The next prime is 1262161429. The reversal of 1262161423 is 3241612621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1262161423 - 2²¹ = 1260064271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1262161391 and 1262161400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1262161429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631080711 + 631080712.

It is an arithmetic number, because the mean of its divisors is an integer number (631080712).

Almost surely, 2^1262161423 is an apocalyptic number.

1262161423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1262161423 is an equidigital number, since it uses as much as digits as its factorization.

1262161423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 1262161423 is about 35526.9112504873. The cubic root of 1262161423 is about 1080.6995419338.

The spelling of 1262161423 in words is "one billion, two hundred sixty-two million, one hundred sixty-one thousand, four hundred twenty-three".