122447450 has 12 divisors (see below), whose sum is σ = 227752350. Its totient is φ = 48978960.

The previous prime is 122447411. The next prime is 122447459. The reversal of 122447450 is 54744221.

It can be written as a sum of positive squares in 3 ways, for example, as 45306361 + 77141089 = 6731^2 + 8783^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122447459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1224425 + ... + 1224524.

Almost surely, 2^122447450 is an apocalyptic number.

122447450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122447450 is a deficient number, since it is larger than the sum of its proper divisors (105304900).

122447450 is a wasteful number, since it uses less digits than its factorization.

122447450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448961 (or 2448956 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 122447450 is about 11065.5975889240. The cubic root of 122447450 is about 496.5731672911.

The spelling of 122447450 in words is "one hundred twenty-two million, four hundred forty-seven thousand, four hundred fifty".