61127070129 has 6 divisors (see below), whose sum is σ = 88294656866. Its totient is φ = 40751380080.

The previous prime is 61127070127. The next prime is 61127070131. The reversal of 61127070129 is 92107072116.

It is a happy number.

61127070129 is a `hidden beast` number, since 611 + 27 + 0 + 7 + 0 + 12 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (61127070127) and next prime (61127070131).

It can be written as a sum of positive squares in only one way, i.e., 50409230400 + 10717839729 = 224520^2 + 103527^2 .

It is not a de Polignac number, because 61127070129 - 2¹ = 61127070127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61127070093 and 61127070102.

It is not an unprimeable number, because it can be changed into a prime (61127070127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3395948332 + ... + 3395948349.

Almost surely, 2^61127070129 is an apocalyptic number.

It is an amenable number.

61127070129 is a deficient number, since it is larger than the sum of its proper divisors (27167586737).

61127070129 is a wasteful number, since it uses less digits than its factorization.

61127070129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6791896687 (or 6791896684 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The spelling of 61127070129 in words is "sixty-one billion, one hundred twenty-seven million, seventy thousand, one hundred twenty-nine".