1011332542 has 32 divisors (see below), whose sum is σ = 1697998464. Its totient is φ = 447871200.

The previous prime is 1011332537. The next prime is 1011332557. The reversal of 1011332542 is 2452331101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140073 + ... + 147115.

It is an arithmetic number, because the mean of its divisors is an integer number (53062452).

Almost surely, 2^1011332542 is an apocalyptic number.

1011332542 is a deficient number, since it is larger than the sum of its proper divisors (686665922).

1011332542 is a wasteful number, since it uses less digits than its factorization.

1011332542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7224.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1011332542 is about 31801.4550296052. The cubic root of 1011332542 is about 1003.7633335543.

Adding to 1011332542 its reverse (2452331101), we get a palindrome (3463663643).

The spelling of 1011332542 in words is "one billion, eleven million, three hundred thirty-two thousand, five hundred forty-two".