1214511452 has 72 divisors (see below), whose sum is σ = 2705488128. Its totient is φ = 471727200.

The previous prime is 1214511413. The next prime is 1214511491. The reversal of 1214511452 is 2541154121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1214511413) and next prime (1214511491).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 928583 + ... + 929889.

It is an arithmetic number, because the mean of its divisors is an integer number (37576224).

Almost surely, 2^1214511452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214511452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1352744064).

1214511452 is an abundant number, since it is smaller than the sum of its proper divisors (1490976676).

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

1214511452 is a wasteful number, since it uses less digits than its factorization.

1214511452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767 (or 1758 counting only the distinct ones).

The product of its digits is 1600, while the sum is 26.

The square root of 1214511452 is about 34849.8414917486. The cubic root of 1214511452 is about 1066.9249505180.

Adding to 1214511452 its reverse (2541154121), we get a palindrome (3755665573).

The spelling of 1214511452 in words is "one billion, two hundred fourteen million, five hundred eleven thousand, four hundred fifty-two".