1161303542 has 16 divisors (see below), whose sum is σ = 2033164800. Its totient is φ = 487111848.

The previous prime is 1161303529. The next prime is 1161303551. The reversal of 1161303542 is 2453031611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881792 + ... + 883107.

It is an arithmetic number, because the mean of its divisors is an integer number (127072800).

Almost surely, 2^1161303542 is an apocalyptic number.

1161303542 is a deficient number, since it is larger than the sum of its proper divisors (871861258).

1161303542 is a wasteful number, since it uses less digits than its factorization.

1161303542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764955.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1161303542 is about 34077.9040141849. The cubic root of 1161303542 is about 1051.1110060394. Note that the first 3 decimals are identical.

The spelling of 1161303542 in words is "one billion, one hundred sixty-one million, three hundred three thousand, five hundred forty-two".