1122540494 has 4 divisors (see below), whose sum is σ = 1683810744. Its totient is φ = 561270246.

The previous prime is 1122540487. The next prime is 1122540541. The reversal of 1122540494 is 4940452211.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1122540494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280635122 + ... + 280635125.

It is an arithmetic number, because the mean of its divisors is an integer number (420952686).

Almost surely, 2^1122540494 is an apocalyptic number.

1122540494 is a deficient number, since it is larger than the sum of its proper divisors (561270250).

1122540494 is an equidigital number, since it uses as much as digits as its factorization.

1122540494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561270249.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1122540494 is about 33504.3354508040. The cubic root of 1122540494 is about 1039.2834357616.

The spelling of 1122540494 in words is "one billion, one hundred twenty-two million, five hundred forty thousand, four hundred ninety-four".