253040122 has 8 divisors (see below), whose sum is σ = 388387296. Its totient is φ = 123577692.

The previous prime is 253040113. The next prime is 253040129. The reversal of 253040122 is 221040352.

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

It is a self number, because there is not a number n which added to its sum of digits gives 253040122.

It is not an unprimeable number, because it can be changed into a prime (253040129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1471078 + ... + 1471249.

It is an arithmetic number, because the mean of its divisors is an integer number (48548412).

Almost surely, 2^253040122 is an apocalyptic number.

253040122 is a deficient number, since it is larger than the sum of its proper divisors (135347174).

253040122 is a wasteful number, since it uses less digits than its factorization.

253040122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942372.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 253040122 is about 15907.2348948521. The cubic root of 253040122 is about 632.5037860074.

Adding to 253040122 its reverse (221040352), we get a palindrome (474080474).

The spelling of 253040122 in words is "two hundred fifty-three million, forty thousand, one hundred twenty-two".