1080029642 has 4 divisors (see below), whose sum is σ = 1620044466. Its totient is φ = 540014820.

The previous prime is 1080029641. The next prime is 1080029651. The reversal of 1080029642 is 2469200801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 930921121 + 149108521 = 30511^2 + 12211^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1080029599 and 1080029608.

It is not an unprimeable number, because it can be changed into a prime (1080029641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270007409 + ... + 270007412.

Almost surely, 2^1080029642 is an apocalyptic number.

1080029642 is a deficient number, since it is larger than the sum of its proper divisors (540014824).

1080029642 is an equidigital number, since it uses as much as digits as its factorization.

1080029642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540014823.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1080029642 is about 32863.8044358836. The cubic root of 1080029642 is about 1025.9949544214.

The spelling of 1080029642 in words is "one billion, eighty million, twenty-nine thousand, six hundred forty-two".