1261714533 has 16 divisors (see below), whose sum is σ = 1694132160. Its totient is φ = 835236864.

The previous prime is 1261714529. The next prime is 1261714543. The reversal of 1261714533 is 3354171621.

It is not a de Polignac number, because 1261714533 - 2² = 1261714529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1261714494 and 1261714503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1261714543) 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, 370603 + ... + 373991.

It is an arithmetic number, because the mean of its divisors is an integer number (105883260).

Almost surely, 2^1261714533 is an apocalyptic number.

It is an amenable number.

1261714533 is a deficient number, since it is larger than the sum of its proper divisors (432417627).

1261714533 is a wasteful number, since it uses less digits than its factorization.

1261714533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228.

The product of its digits is 15120, while the sum is 33.

The square root of 1261714533 is about 35520.6212361214. The cubic root of 1261714533 is about 1080.5719801127.

The spelling of 1261714533 in words is "one billion, two hundred sixty-one million, seven hundred fourteen thousand, five hundred thirty-three".