1097830542 has 64 divisors (see below), whose sum is σ = 2294853120. Its totient is φ = 349910400.

The previous prime is 1097830541. The next prime is 1097830571. The reversal of 1097830542 is 2450387901.

It is a self number, because there is not a number n which added to its sum of digits gives 1097830542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097830541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2156584 + ... + 2157092.

It is an arithmetic number, because the mean of its divisors is an integer number (35857080).

Almost surely, 2^1097830542 is an apocalyptic number.

1097830542 is an abundant number, since it is smaller than the sum of its proper divisors (1197022578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1097830542 is a wasteful number, since it uses less digits than its factorization.

1097830542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1097830542 is about 33133.5259518211. The cubic root of 1097830542 is about 1031.6010359911.

The spelling of 1097830542 in words is "one billion, ninety-seven million, eight hundred thirty thousand, five hundred forty-two".