1122403542 has 32 divisors (see below), whose sum is σ = 2522596608. Its totient is φ = 330338976.

The previous prime is 1122403531. The next prime is 1122403619. The reversal of 1122403542 is 2453042211.

It is a super-2 number, since 2×1122403542² = 2519579422188291528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311028 + ... + 314615.

It is an arithmetic number, because the mean of its divisors is an integer number (78831144).

Almost surely, 2^1122403542 is an apocalyptic number.

1122403542 is an abundant number, since it is smaller than the sum of its proper divisors (1400193066).

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

1122403542 is a wasteful number, since it uses less digits than its factorization.

1122403542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625684.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1122403542 is about 33502.2915932627. The cubic root of 1122403542 is about 1039.2411692140.

Adding to 1122403542 its reverse (2453042211), we get a palindrome (3575445753).

The spelling of 1122403542 in words is "one billion, one hundred twenty-two million, four hundred three thousand, five hundred forty-two".