1230497265 has 16 divisors (see below), whose sum is σ = 1969471296. Its totient is φ = 656040000.

The previous prime is 1230497243. The next prime is 1230497267. The reversal of 1230497265 is 5627940321.

It is not a de Polignac number, because 1230497265 - 2⁶ = 1230497201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1230497267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37090 + ... + 61940.

It is an arithmetic number, because the mean of its divisors is an integer number (123091956).

Almost surely, 2^1230497265 is an apocalyptic number.

1230497265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1230497265 is a deficient number, since it is larger than the sum of its proper divisors (738974031).

1230497265 is a wasteful number, since it uses less digits than its factorization.

1230497265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28160.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 1230497265 is about 35078.4444495476. Note that the first 5 decimals coincide. The cubic root of 1230497265 is about 1071.5856378372.

The spelling of 1230497265 in words is "one billion, two hundred thirty million, four hundred ninety-seven thousand, two hundred sixty-five".