1001453122 has 4 divisors (see below), whose sum is σ = 1502179686. Its totient is φ = 500726560.

The previous prime is 1001453107. The next prime is 1001453177. The reversal of 1001453122 is 2213541001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2213541001 = 7 ⋅316220143.

It can be written as a sum of positive squares in only one way, i.e., 970883281 + 30569841 = 31159^2 + 5529^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1001453122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250363279 + ... + 250363282.

Almost surely, 2^1001453122 is an apocalyptic number.

1001453122 is a deficient number, since it is larger than the sum of its proper divisors (500726564).

1001453122 is an equidigital number, since it uses as much as digits as its factorization.

1001453122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500726563.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1001453122 is about 31645.7441372454. The cubic root of 1001453122 is about 1000.4841395710.

Adding to 1001453122 its reverse (2213541001), we get a palindrome (3214994123).

It can be divided in two parts, 10014 and 53122, that added together give a palindrome (63136).

The spelling of 1001453122 in words is "one billion, one million, four hundred fifty-three thousand, one hundred twenty-two".