611422129 has 8 divisors (see below), whose sum is σ = 614122560. Its totient is φ = 608728176.

The previous prime is 611422099. The next prime is 611422139. The reversal of 611422129 is 921224116.

611422129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 611422129 - 2²³ = 603033521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 611422097 and 611422106.

It is not an unprimeable number, because it can be changed into a prime (611422139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291924 + ... + 294010.

It is an arithmetic number, because the mean of its divisors is an integer number (76765320).

Almost surely, 2^611422129 is an apocalyptic number.

It is an amenable number.

611422129 is a deficient number, since it is larger than the sum of its proper divisors (2700431).

611422129 is a wasteful number, since it uses less digits than its factorization.

611422129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239.

The product of its digits is 1728, while the sum is 28.

The square root of 611422129 is about 24726.9514700054. The cubic root of 611422129 is about 848.7511667854.

It can be divided in two parts, 611 and 422129, that added together give a triangular number (422740 = T₉₁₉).

The spelling of 611422129 in words is "six hundred eleven million, four hundred twenty-two thousand, one hundred twenty-nine".