61120151 has 4 divisors (see below), whose sum is σ = 64715472. Its totient is φ = 57524832.

The previous prime is 61120141. The next prime is 61120181. The reversal of 61120151 is 15102116.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61120151 - 2¹⁴ = 61103767 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 3595303 = 61120151 / (6 + 1 + 1 + 2 + 0 + 1 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61120141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1797635 + ... + 1797668.

It is an arithmetic number, because the mean of its divisors is an integer number (16178868).

Almost surely, 2^61120151 is an apocalyptic number.

61120151 is a deficient number, since it is larger than the sum of its proper divisors (3595321).

61120151 is a wasteful number, since it uses less digits than its factorization.

61120151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595320.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 61120151 is about 7817.9377715610. The cubic root of 61120151 is about 393.9080045808.

Adding to 61120151 its reverse (15102116), we get a palindrome (76222267).

The spelling of 61120151 in words is "sixty-one million, one hundred twenty thousand, one hundred fifty-one".