1068540292 has 12 divisors (see below), whose sum is σ = 1878809296. Its totient is φ = 531737640.

The previous prime is 1068540283. The next prime is 1068540299. The reversal of 1068540292 is 2920458601.

It is a super-2 number, since 2×1068540292² = 2283556711254890528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1068540299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632178 + ... + 633865.

Almost surely, 2^1068540292 is an apocalyptic number.

It is an amenable number.

1068540292 is a deficient number, since it is larger than the sum of its proper divisors (810269004).

1068540292 is a wasteful number, since it uses less digits than its factorization.

1068540292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266258 (or 1266256 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1068540292 is about 32688.5345648899. The cubic root of 1068540292 is about 1022.3438002441.

Adding to 1068540292 its reverse (2920458601), we get a palindrome (3988998893).

The spelling of 1068540292 in words is "one billion, sixty-eight million, five hundred forty thousand, two hundred ninety-two".