122370145 has 8 divisors (see below), whose sum is σ = 147165480. Its totient is φ = 97681920.

The previous prime is 122370121. The next prime is 122370191. The reversal of 122370145 is 541073221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 112896 + 122257249 = 336^2 + 11057^2 .

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

It is not a de Polignac number, because 122370145 - 2²¹ = 120272993 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24240 + ... + 28849.

It is an arithmetic number, because the mean of its divisors is an integer number (18395685).

Almost surely, 2^122370145 is an apocalyptic number.

It is an amenable number.

122370145 is a deficient number, since it is larger than the sum of its proper divisors (24795335).

122370145 is an equidigital number, since it uses as much as digits as its factorization.

122370145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53555.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 122370145 is about 11062.1040042119. The cubic root of 122370145 is about 496.4686444394.

The spelling of 122370145 in words is "one hundred twenty-two million, three hundred seventy thousand, one hundred forty-five".