121427194 has 24 divisors (see below), whose sum is σ = 212318388. Its totient is φ = 51932160.

The previous prime is 121427191. The next prime is 121427197. The reversal of 121427194 is 491724121.

It is an interprime number because it is at equal distance from previous prime (121427191) and next prime (121427197).

It can be written as a sum of positive squares in 2 ways, for example, as 108930969 + 12496225 = 10437^2 + 3535^2 .

It is not an unprimeable number, because it can be changed into a prime (121427191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61852 + ... + 63784.

Almost surely, 2^121427194 is an apocalyptic number.

121427194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121427194 is a deficient number, since it is larger than the sum of its proper divisors (90891194).

121427194 is a wasteful number, since it uses less digits than its factorization.

121427194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590 (or 2583 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 121427194 is about 11019.4008004065. The cubic root of 121427194 is about 495.1901374785.

The spelling of 121427194 in words is "one hundred twenty-one million, four hundred twenty-seven thousand, one hundred ninety-four".