61120401 has 16 divisors (see below), whose sum is σ = 83558400. Its totient is φ = 39726288.

The previous prime is 61120399. The next prime is 61120417. The reversal of 61120401 is 10402116.

It is not a de Polignac number, because 61120401 - 2¹ = 61120399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61120441) 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, 21120 + ... + 23838.

It is an arithmetic number, because the mean of its divisors is an integer number (5222400).

Almost surely, 2^61120401 is an apocalyptic number.

It is an amenable number.

61120401 is a deficient number, since it is larger than the sum of its proper divisors (22437999).

61120401 is a wasteful number, since it uses less digits than its factorization.

61120401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 61120401 is about 7817.9537604158. The cubic root of 61120401 is about 393.9085416479.

Adding to 61120401 its reverse (10402116), we get a palindrome (71522517).

It can be divided in two parts, 611 and 20401, that added together give a palindrome (21012).

The spelling of 61120401 in words is "sixty-one million, one hundred twenty thousand, four hundred one".