1042345215 has 24 divisors (see below), whose sum is σ = 1807854048. Its totient is φ = 555572160.

The previous prime is 1042345207. The next prime is 1042345229. The reversal of 1042345215 is 5125432401.

1042345215 is a `hidden beast` number, since 104 + 2 + 34 + 521 + 5 = 666.

It is not a de Polignac number, because 1042345215 - 2³ = 1042345207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76845 + ... + 89385.

It is an arithmetic number, because the mean of its divisors is an integer number (75327252).

Almost surely, 2^1042345215 is an apocalyptic number.

1042345215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1042345215 is a deficient number, since it is larger than the sum of its proper divisors (765508833).

1042345215 is a wasteful number, since it uses less digits than its factorization.

1042345215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14399 (or 14396 counting only the distinct ones).

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

The square root of 1042345215 is about 32285.3715326307. The cubic root of 1042345215 is about 1013.9203951139.

Adding to 1042345215 its reverse (5125432401), we get a palindrome (6167777616).

The spelling of 1042345215 in words is "one billion, forty-two million, three hundred forty-five thousand, two hundred fifteen".