121448351 has 2 divisors, whose sum is σ = 121448352. Its totient is φ = 121448350.

The previous prime is 121448321. The next prime is 121448363. The reversal of 121448351 is 153844121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121448351 - 2¹⁸ = 121186207 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121448311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60724175 + 60724176.

It is an arithmetic number, because the mean of its divisors is an integer number (60724176).

Almost surely, 2^121448351 is an apocalyptic number.

121448351 is a deficient number, since it is larger than the sum of its proper divisors (1).

121448351 is an equidigital number, since it uses as much as digits as its factorization.

121448351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 29.

The square root of 121448351 is about 11020.3607472714. The cubic root of 121448351 is about 495.2188958068.

The spelling of 121448351 in words is "one hundred twenty-one million, four hundred forty-eight thousand, three hundred fifty-one".