121122130 has 16 divisors (see below), whose sum is σ = 218300184. Its totient is φ = 48386560.

The previous prime is 121122107. The next prime is 121122139. The reversal of 121122130 is 31221121.

It can be written as a sum of positive squares in 4 ways, for example, as 84070561 + 37051569 = 9169^2 + 6087^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121122130.

It is not an unprimeable number, because it can be changed into a prime (121122139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834 + ... + 15586.

Almost surely, 2^121122130 is an apocalyptic number.

121122130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121122130 is a deficient number, since it is larger than the sum of its proper divisors (97178054).

121122130 is a wasteful number, since it uses less digits than its factorization.

121122130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15581.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 121122130 is about 11005.5499635411. The cubic root of 121122130 is about 494.7750976410.

Adding to 121122130 its reverse (31221121), we get a palindrome (152343251).

The spelling of 121122130 in words is "one hundred twenty-one million, one hundred twenty-two thousand, one hundred thirty".