1127522642 has 4 divisors (see below), whose sum is σ = 1691283966. Its totient is φ = 563761320.

The previous prime is 1127522609. The next prime is 1127522647. The reversal of 1127522642 is 2462257211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2462257211 = 181 ⋅13603631.

It can be written as a sum of positive squares in only one way, i.e., 1081160161 + 46362481 = 32881^2 + 6809^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1127522599 and 1127522608.

It is not an unprimeable number, because it can be changed into a prime (1127522647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281880659 + ... + 281880662.

Almost surely, 2^1127522642 is an apocalyptic number.

1127522642 is a deficient number, since it is larger than the sum of its proper divisors (563761324).

1127522642 is an equidigital number, since it uses as much as digits as its factorization.

1127522642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563761323.

The product of its digits is 13440, while the sum is 32.

The square root of 1127522642 is about 33578.6039316705. The cubic root of 1127522642 is about 1040.8187099848.

Adding to 1127522642 its reverse (2462257211), we get a palindrome (3589779853).

The spelling of 1127522642 in words is "one billion, one hundred twenty-seven million, five hundred twenty-two thousand, six hundred forty-two".