1210261013 has 8 divisors (see below), whose sum is σ = 1304018688. Its totient is φ = 1116597744.

The previous prime is 1210260983. The next prime is 1210261027. The reversal of 1210261013 is 3101620121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1210261013 - 2¹⁶ = 1210195477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210260982 and 1210261000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210261313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4256 + ... + 49382.

It is an arithmetic number, because the mean of its divisors is an integer number (163002336).

Almost surely, 2^1210261013 is an apocalyptic number.

1210261013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1210261013 is a deficient number, since it is larger than the sum of its proper divisors (93757675).

1210261013 is a wasteful number, since it uses less digits than its factorization.

1210261013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47203.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1210261013 is about 34788.8058576318. The cubic root of 1210261013 is about 1065.6788527555.

Adding to 1210261013 its reverse (3101620121), we get a palindrome (4311881134).

The spelling of 1210261013 in words is "one billion, two hundred ten million, two hundred sixty-one thousand, thirteen".