905254122 has 16 divisors (see below), whose sum is σ = 1849030272. Its totient is φ = 295331040.

The previous prime is 905254121. The next prime is 905254123. The reversal of 905254122 is 221452509.

It is an interprime number because it is at equal distance from previous prime (905254121) and next prime (905254123).

It is a self number, because there is not a number n which added to its sum of digits gives 905254122.

It is not an unprimeable number, because it can be changed into a prime (905254121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1604779 + ... + 1605342.

It is an arithmetic number, because the mean of its divisors is an integer number (115564392).

Almost surely, 2^905254122 is an apocalyptic number.

905254122 is an abundant number, since it is smaller than the sum of its proper divisors (943776150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

905254122 is a wasteful number, since it uses less digits than its factorization.

905254122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210173.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 905254122 is about 30087.4412670802. The cubic root of 905254122 is about 967.3645547494.

The spelling of 905254122 in words is "nine hundred five million, two hundred fifty-four thousand, one hundred twenty-two".