1215063507 has 16 divisors (see below), whose sum is σ = 1911252992. Its totient is φ = 671924160.

The previous prime is 1215063469. The next prime is 1215063557. The reversal of 1215063507 is 7053605121.

It is not a de Polignac number, because 1215063507 - 2⁷ = 1215063379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1215063557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 932578 + ... + 933879.

It is an arithmetic number, because the mean of its divisors is an integer number (119453312).

Almost surely, 2^1215063507 is an apocalyptic number.

1215063507 is a deficient number, since it is larger than the sum of its proper divisors (696189485).

1215063507 is a wasteful number, since it uses less digits than its factorization.

1215063507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866498.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 1215063507 is about 34857.7610726794. The cubic root of 1215063507 is about 1067.0865825970.

Adding to 1215063507 its reverse (7053605121), we get a palindrome (8268668628).

It can be divided in two parts, 12150 and 63507, that added together give a palindrome (75657).

The spelling of 1215063507 in words is "one billion, two hundred fifteen million, sixty-three thousand, five hundred seven".