1260261405231 has 4 divisors (see below), whose sum is σ = 1680348540312. Its totient is φ = 840174270152.

The previous prime is 1260261405223. The next prime is 1260261405251. The reversal of 1260261405231 is 1325041620621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1260261405231 - 2³ = 1260261405223 is a prime.

It is a super-2 number, since 2×1260261405231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1260261405192 and 1260261405201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260261405251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210043567536 + ... + 210043567541.

It is an arithmetic number, because the mean of its divisors is an integer number (420087135078).

Almost surely, 2^{1260261405231} is an apocalyptic number.

1260261405231 is a deficient number, since it is larger than the sum of its proper divisors (420087135081).

1260261405231 is an equidigital number, since it uses as much as digits as its factorization.

1260261405231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420087135080.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 1260261405231 in words is "one trillion, two hundred sixty billion, two hundred sixty-one million, four hundred five thousand, two hundred thirty-one".