1042120215 has 32 divisors (see below), whose sum is σ = 1862016000. Its totient is φ = 552990240.

The previous prime is 1042120201. The next prime is 1042120231. The reversal of 1042120215 is 5120212401.

1042120215 is a `hidden beast` number, since 10 + 421 + 20 + 215 = 666.

It is not a de Polignac number, because 1042120215 - 2⁴ = 1042120199 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 31 ways as a sum of consecutive naturals, for example, 7470 + ... + 46260.

It is an arithmetic number, because the mean of its divisors is an integer number (58188000).

Almost surely, 2^1042120215 is an apocalyptic number.

1042120215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1042120215 is a deficient number, since it is larger than the sum of its proper divisors (819895785).

1042120215 is a wasteful number, since it uses less digits than its factorization.

1042120215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39004 (or 38998 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1042120215 is about 32281.8867943000. The cubic root of 1042120215 is about 1013.8474351187.

Adding to 1042120215 its reverse (5120212401), we get a palindrome (6162332616).

The spelling of 1042120215 in words is "one billion, forty-two million, one hundred twenty thousand, two hundred fifteen".