121141745 has 16 divisors (see below), whose sum is σ = 154535040. Its totient is φ = 90849024.

The previous prime is 121141721. The next prime is 121141753. The reversal of 121141745 is 547141121.

It is a cyclic number.

It is not a de Polignac number, because 121141745 - 2¹² = 121137649 is a prime.

It is a super-3 number, since 3×121141745³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19646 + ... + 25064.

It is an arithmetic number, because the mean of its divisors is an integer number (9658440).

Almost surely, 2^121141745 is an apocalyptic number.

It is an amenable number.

121141745 is a deficient number, since it is larger than the sum of its proper divisors (33393295).

121141745 is a wasteful number, since it uses less digits than its factorization.

121141745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5704.

The product of its digits is 1120, while the sum is 26.

The square root of 121141745 is about 11006.4410687561. The cubic root of 121141745 is about 494.8018048158.

Adding to 121141745 its reverse (547141121), we get a palindrome (668282866).

The spelling of 121141745 in words is "one hundred twenty-one million, one hundred forty-one thousand, seven hundred forty-five".