122452381 has 8 divisors (see below), whose sum is σ = 124305984. Its totient is φ = 120612960.

The previous prime is 122452361. The next prime is 122452403. The reversal of 122452381 is 183254221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122452381 - 2⁹ = 122451869 is a prime.

It is a super-2 number, since 2×122452381² = 29989171225138322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122452301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14536 + ... + 21358.

It is an arithmetic number, because the mean of its divisors is an integer number (15538248).

Almost surely, 2^122452381 is an apocalyptic number.

It is an amenable number.

122452381 is a deficient number, since it is larger than the sum of its proper divisors (1853603).

122452381 is a wasteful number, since it uses less digits than its factorization.

122452381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7091.

The product of its digits is 3840, while the sum is 28.

The square root of 122452381 is about 11065.8203943494. The cubic root of 122452381 is about 496.5798329244.

The spelling of 122452381 in words is "one hundred twenty-two million, four hundred fifty-two thousand, three hundred eighty-one".