1265430045 has 16 divisors (see below), whose sum is σ = 2208750912. Its totient is φ = 613541760.

The previous prime is 1265430017. The next prime is 1265430073. The reversal of 1265430045 is 5400345621.

It is an interprime number because it is at equal distance from previous prime (1265430017) and next prime (1265430073).

It is not a de Polignac number, because 1265430045 - 2¹² = 1265425949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1265429994 and 1265430021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3834472 + ... + 3834801.

It is an arithmetic number, because the mean of its divisors is an integer number (138046932).

Almost surely, 2^1265430045 is an apocalyptic number.

1265430045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1265430045 is a deficient number, since it is larger than the sum of its proper divisors (943320867).

1265430045 is a wasteful number, since it uses less digits than its factorization.

1265430045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7669292.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1265430045 is about 35572.8835631862. The cubic root of 1265430045 is about 1081.6316343817.

Adding to 1265430045 its reverse (5400345621), we get a palindrome (6665775666).

The spelling of 1265430045 in words is "one billion, two hundred sixty-five million, four hundred thirty thousand, forty-five".