1121627534 has 4 divisors (see below), whose sum is σ = 1682441304. Its totient is φ = 560813766.

The previous prime is 1121627531. The next prime is 1121627539. The reversal of 1121627534 is 4357261211.

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 1121627534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121627531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280406882 + ... + 280406885.

It is an arithmetic number, because the mean of its divisors is an integer number (420610326).

Almost surely, 2^1121627534 is an apocalyptic number.

1121627534 is a deficient number, since it is larger than the sum of its proper divisors (560813770).

1121627534 is an equidigital number, since it uses as much as digits as its factorization.

1121627534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560813769.

The product of its digits is 10080, while the sum is 32.

The square root of 1121627534 is about 33490.7081740593. The cubic root of 1121627534 is about 1039.0016102796.

Adding to 1121627534 its reverse (4357261211), we get a palindrome (5478888745).

The spelling of 1121627534 in words is "one billion, one hundred twenty-one million, six hundred twenty-seven thousand, five hundred thirty-four".