1215014552 has 16 divisors (see below), whose sum is σ = 2278883160. Its totient is φ = 607312384.

The previous prime is 1215014543. The next prime is 1215014557. The reversal of 1215014552 is 2554105121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215014557) 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, 4088 + ... + 49464.

Almost surely, 2^1215014552 is an apocalyptic number.

It is an amenable number.

1215014552 is a deficient number, since it is larger than the sum of its proper divisors (1063868608).

1215014552 is a wasteful number, since it uses less digits than its factorization.

1215014552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48730 (or 48726 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1215014552 is about 34857.0588546997. The cubic root of 1215014552 is about 1067.0722514050.

Adding to 1215014552 its reverse (2554105121), we get a palindrome (3769119673).

The spelling of 1215014552 in words is "one billion, two hundred fifteen million, fourteen thousand, five hundred fifty-two".