121017061 has 12 divisors (see below), whose sum is σ = 140022400. Its totient is φ = 104223240.

The previous prime is 121017059. The next prime is 121017077. The reversal of 121017061 is 160710121.

It is not a de Polignac number, because 121017061 - 2¹ = 121017059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121017031) 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, 24021 + ... + 28618.

Almost surely, 2^121017061 is an apocalyptic number.

121017061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121017061 is a deficient number, since it is larger than the sum of its proper divisors (19005339).

121017061 is a wasteful number, since it uses less digits than its factorization.

121017061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52680 (or 52669 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 121017061 is about 11000.7754726656. The cubic root of 121017061 is about 494.6319898433.

Adding to 121017061 its reverse (160710121), we get a palindrome (281727182).

The spelling of 121017061 in words is "one hundred twenty-one million, seventeen thousand, sixty-one".