61124245 has 16 divisors (see below), whose sum is σ = 90276480. Its totient is φ = 38689344.

The previous prime is 61124237. The next prime is 61124267. The reversal of 61124245 is 54242116.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 61124245 - 2³ = 61124237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66715 + ... + 67624.

It is an arithmetic number, because the mean of its divisors is an integer number (5642280).

Almost surely, 2^61124245 is an apocalyptic number.

61124245 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61124245 is a deficient number, since it is larger than the sum of its proper divisors (29152235).

61124245 is a wasteful number, since it uses less digits than its factorization.

61124245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134364.

The product of its digits is 1920, while the sum is 25.

The square root of 61124245 is about 7818.1996009312. The cubic root of 61124245 is about 393.9167994073.

The spelling of 61124245 in words is "sixty-one million, one hundred twenty-four thousand, two hundred forty-five".