121416045 has 16 divisors (see below), whose sum is σ = 194850240. Its totient is φ = 64560384.

The previous prime is 121416007. The next prime is 121416049. The reversal of 121416045 is 540614121.

It is a happy number.

It is not a de Polignac number, because 121416045 - 2⁹ = 121415533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121416049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6955 + ... + 17064.

It is an arithmetic number, because the mean of its divisors is an integer number (12178140).

Almost surely, 2^121416045 is an apocalyptic number.

121416045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121416045 is a deficient number, since it is larger than the sum of its proper divisors (73434195).

121416045 is a wasteful number, since it uses less digits than its factorization.

121416045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24364.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 121416045 is about 11018.8949082928. The cubic root of 121416045 is about 495.1749815000.

The spelling of 121416045 in words is "one hundred twenty-one million, four hundred sixteen thousand, forty-five".