1453122147 has 32 divisors (see below), whose sum is σ = 2093713920. Its totient is φ = 893617920.

The previous prime is 1453122131. The next prime is 1453122149. The reversal of 1453122147 is 7412213541.

It is not a de Polignac number, because 1453122147 - 2⁴ = 1453122131 is a prime.

It is a super-2 number, since 2×1453122147² = 4223127948203779218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1453122149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 412122 + ... + 415632.

It is an arithmetic number, because the mean of its divisors is an integer number (65428560).

Almost surely, 2^1453122147 is an apocalyptic number.

1453122147 is a deficient number, since it is larger than the sum of its proper divisors (640591773).

1453122147 is a wasteful number, since it uses less digits than its factorization.

1453122147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723.

The product of its digits is 6720, while the sum is 30.

The square root of 1453122147 is about 38119.8392835017. The cubic root of 1453122147 is about 1132.6629827468.

Adding to 1453122147 its reverse (7412213541), we get a palindrome (8865335688).

The spelling of 1453122147 in words is "one billion, four hundred fifty-three million, one hundred twenty-two thousand, one hundred forty-seven".