1301155061 has 16 divisors (see below), whose sum is σ = 1432033344. Its totient is φ = 1177115904.

The previous prime is 1301155013. The next prime is 1301155069. The reversal of 1301155061 is 1605511031.

It is not a de Polignac number, because 1301155061 - 2²² = 1296960757 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 (1301155069) 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, 39746 + ... + 64668.

It is an arithmetic number, because the mean of its divisors is an integer number (89502084).

Almost surely, 2^1301155061 is an apocalyptic number.

It is an amenable number.

1301155061 is a deficient number, since it is larger than the sum of its proper divisors (130878283).

1301155061 is a wasteful number, since it uses less digits than its factorization.

1301155061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25060.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 1301155061 is about 36071.5270123126. The cubic root of 1301155061 is about 1091.7160246458.

Adding to 1301155061 its reverse (1605511031), we get a palindrome (2906666092).

The spelling of 1301155061 in words is "one billion, three hundred one million, one hundred fifty-five thousand, sixty-one".