1262141013 has 32 divisors (see below), whose sum is σ = 2041079040. Its totient is φ = 677237760.

The previous prime is 1262140969. The next prime is 1262141029. The reversal of 1262141013 is 3101412621.

It is not a de Polignac number, because 1262141013 - 2¹⁸ = 1261878869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1262141033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160743 + ... + 168411.

It is an arithmetic number, because the mean of its divisors is an integer number (63783720).

Almost surely, 2^1262141013 is an apocalyptic number.

It is an amenable number.

1262141013 is a deficient number, since it is larger than the sum of its proper divisors (778938027).

1262141013 is a wasteful number, since it uses less digits than its factorization.

1262141013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8157.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1262141013 is about 35526.6240022888. The cubic root of 1262141013 is about 1080.6937166893.

Adding to 1262141013 its reverse (3101412621), we get a palindrome (4363553634).

The spelling of 1262141013 in words is "one billion, two hundred sixty-two million, one hundred forty-one thousand, thirteen".