61134120 has 48 divisors (see below), whose sum is σ = 198687060. Its totient is φ = 16302336.

The previous prime is 61134119. The next prime is 61134121. The reversal of 61134120 is 2143116.

It is a happy number.

61134120 is a `hidden beast` number, since 611 + 34 + 1 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (61134119) and next prime (61134121).

It can be written as a sum of positive squares in 2 ways, for example, as 61121124 + 12996 = 7818^2 + 114^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 61134093 and 61134102.

It is not an unprimeable number, because it can be changed into a prime (61134121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84549 + ... + 85268.

Almost surely, 2^61134120 is an apocalyptic number.

61134120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61134120 is an abundant number, since it is smaller than the sum of its proper divisors (137552940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61134120 is a wasteful number, since it uses less digits than its factorization.

61134120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169834 (or 169827 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 61134120 is about 7818.8311146872. The cubic root of 61134120 is about 393.9380114972.

Adding to 61134120 its reverse (2143116), we get a palindrome (63277236).

The spelling of 61134120 in words is "sixty-one million, one hundred thirty-four thousand, one hundred twenty".