1451122153 has 4 divisors (see below), whose sum is σ = 1562746948. Its totient is φ = 1339497360.

The previous prime is 1451122151. The next prime is 1451122181. The reversal of 1451122153 is 3512211541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 232623504 + 1218498649 = 15252^2 + 34907^2 .

It is a cyclic number.

It is not a de Polignac number, because 1451122153 - 2¹ = 1451122151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1451122151) 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, 55812378 + ... + 55812403.

It is an arithmetic number, because the mean of its divisors is an integer number (390686737).

Almost surely, 2^1451122153 is an apocalyptic number.

1451122153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1451122153 is a deficient number, since it is larger than the sum of its proper divisors (111624795).

1451122153 is a wasteful number, since it uses less digits than its factorization.

1451122153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111624794.

The product of its digits is 1200, while the sum is 25.

The square root of 1451122153 is about 38093.5972704075. The cubic root of 1451122153 is about 1132.1431000343.

Adding to 1451122153 its reverse (3512211541), we get a palindrome (4963333694).

The spelling of 1451122153 in words is "one billion, four hundred fifty-one million, one hundred twenty-two thousand, one hundred fifty-three".