121694049 has 32 divisors (see below), whose sum is σ = 185856000. Its totient is φ = 78663312.

The previous prime is 121694047. The next prime is 121694051. The reversal of 121694049 is 940496121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121694047) and next prime (121694051).

It is not a de Polignac number, because 121694049 - 2¹ = 121694047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121694047) 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 31 ways as a sum of consecutive naturals, for example, 125364 + ... + 126330.

It is an arithmetic number, because the mean of its divisors is an integer number (5808000).

Almost surely, 2^121694049 is an apocalyptic number.

It is an amenable number.

121694049 is a deficient number, since it is larger than the sum of its proper divisors (64161951).

121694049 is an equidigital number, since it uses as much as digits as its factorization.

121694049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 121694049 is about 11031.5025721794. The cubic root of 121694049 is about 495.5526243195.

The spelling of 121694049 in words is "one hundred twenty-one million, six hundred ninety-four thousand, forty-nine".