1301261141 has 16 divisors (see below), whose sum is σ = 1436491584. Its totient is φ = 1173629184.

The previous prime is 1301261123. The next prime is 1301261173. The reversal of 1301261141 is 1411621031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1301261141 - 2⁶ = 1301261077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301261641) 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, 21950 + ... + 55536.

It is an arithmetic number, because the mean of its divisors is an integer number (89780724).

Almost surely, 2^1301261141 is an apocalyptic number.

It is an amenable number.

1301261141 is a deficient number, since it is larger than the sum of its proper divisors (135230443).

1301261141 is a wasteful number, since it uses less digits than its factorization.

1301261141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33700.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1301261141 is about 36072.9973941728. The cubic root of 1301261141 is about 1091.7456921549.

Adding to 1301261141 its reverse (1411621031), we get a palindrome (2712882172).

The spelling of 1301261141 in words is "one billion, three hundred one million, two hundred sixty-one thousand, one hundred forty-one".