1215254034 has 72 divisors (see below), whose sum is σ = 2727887760. Its totient is φ = 390880560.

The previous prime is 1215253997. The next prime is 1215254081. The reversal of 1215254034 is 4304525121.

It is a junction number, because it is equal to n+sod(n) for n = 1215253989 and 1215254007.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5353429 + ... + 5353655.

It is an arithmetic number, because the mean of its divisors is an integer number (37887330).

Almost surely, 2^1215254034 is an apocalyptic number.

1215254034 is an abundant number, since it is smaller than the sum of its proper divisors (1512633726).

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

1215254034 is a wasteful number, since it uses less digits than its factorization.

1215254034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1215254034 is about 34860.4938863465. The cubic root of 1215254034 is about 1067.1423542168.

Adding to 1215254034 its reverse (4304525121), we get a palindrome (5519779155).

The spelling of 1215254034 in words is "one billion, two hundred fifteen million, two hundred fifty-four thousand, thirty-four".