1269345425 has 12 divisors (see below), whose sum is σ = 1574458380. Its totient is φ = 1015173120.

The previous prime is 1269345419. The next prime is 1269345433. The reversal of 1269345425 is 5245439621.

It can be written as a sum of positive squares in 6 ways, for example, as 2483776 + 1266861649 = 1576^2 + 35593^2 .

It is not a de Polignac number, because 1269345425 - 2⁶ = 1269345361 is a prime.

It is a super-2 number, since 2×1269345425² = 3222475615936861250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119741 + ... + 129909.

It is an arithmetic number, because the mean of its divisors is an integer number (131204865).

Almost surely, 2^1269345425 is an apocalyptic number.

It is an amenable number.

1269345425 is a deficient number, since it is larger than the sum of its proper divisors (305112955).

1269345425 is a wasteful number, since it uses less digits than its factorization.

1269345425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15172 (or 15167 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 1269345425 is about 35627.8742700150. The cubic root of 1269345425 is about 1082.7460482858.

The spelling of 1269345425 in words is "one billion, two hundred sixty-nine million, three hundred forty-five thousand, four hundred twenty-five".