121724097 has 32 divisors (see below), whose sum is σ = 190594944. Its totient is φ = 68275200.

The previous prime is 121724087. The next prime is 121724101. The reversal of 121724097 is 790427121.

It is not a de Polignac number, because 121724097 - 2⁴ = 121724081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (121724047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32443 + ... + 35999.

It is an arithmetic number, because the mean of its divisors is an integer number (5956092).

Almost surely, 2^121724097 is an apocalyptic number.

121724097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

121724097 is a deficient number, since it is larger than the sum of its proper divisors (68870847).

121724097 is a wasteful number, since it uses less digits than its factorization.

121724097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 121724097 is about 11032.8644059464. The cubic root of 121724097 is about 495.5934073049.

The spelling of 121724097 in words is "one hundred twenty-one million, seven hundred twenty-four thousand, ninety-seven".