1071218542 has 8 divisors (see below), whose sum is σ = 1607908536. Its totient is φ = 535249032.

The previous prime is 1071218539. The next prime is 1071218549. The reversal of 1071218542 is 2458121701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1071218542² = 2295018329449211528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071218549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176388 + ... + 182359.

It is an arithmetic number, because the mean of its divisors is an integer number (200988567).

Almost surely, 2^1071218542 is an apocalyptic number.

1071218542 is a deficient number, since it is larger than the sum of its proper divisors (536689994).

1071218542 is a wasteful number, since it uses less digits than its factorization.

1071218542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360242.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 1071218542 is about 32729.4751256417. The cubic root of 1071218542 is about 1023.1972411008.

The spelling of 1071218542 in words is "one billion, seventy-one million, two hundred eighteen thousand, five hundred forty-two".