611125121 has 8 divisors (see below), whose sum is σ = 619948320. Its totient is φ = 602314272.

The previous prime is 611125117. The next prime is 611125133. The reversal of 611125121 is 121521116.

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 611125121 - 2² = 611125117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 611125093 and 611125102.

It is not an unprimeable number, because it can be changed into a prime (611125181) 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, 150050 + ... + 154068.

It is an arithmetic number, because the mean of its divisors is an integer number (77493540).

Almost surely, 2^611125121 is an apocalyptic number.

It is an amenable number.

611125121 is a deficient number, since it is larger than the sum of its proper divisors (8823199).

611125121 is a wasteful number, since it uses less digits than its factorization.

611125121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6175.

The product of its digits is 120, while the sum is 20.

The square root of 611125121 is about 24720.9449859830. The cubic root of 611125121 is about 848.6137130777.

Adding to 611125121 its reverse (121521116), we get a palindrome (732646237).

The spelling of 611125121 in words is "six hundred eleven million, one hundred twenty-five thousand, one hundred twenty-one".