122400003 has 8 divisors (see below), whose sum is σ = 178036416. Its totient is φ = 74181800.

The previous prime is 122399987. The next prime is 122400029. The reversal of 122400003 is 300004221.

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

It is not a de Polignac number, because 122400003 - 2⁴ = 122399987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122400053) 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, 1854513 + ... + 1854578.

It is an arithmetic number, because the mean of its divisors is an integer number (22254552).

Almost surely, 2^122400003 is an apocalyptic number.

122400003 is a deficient number, since it is larger than the sum of its proper divisors (55636413).

122400003 is a wasteful number, since it uses less digits than its factorization.

122400003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709105.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 122400003 is about 11063.4534843330. The cubic root of 122400003 is about 496.5090201789.

Adding to 122400003 its reverse (300004221), we get a palindrome (422404224).

The spelling of 122400003 in words is "one hundred twenty-two million, four hundred thousand, three".