1127061554 has 4 divisors (see below), whose sum is σ = 1690592334. Its totient is φ = 563530776.

The previous prime is 1127061553. The next prime is 1127061569. The reversal of 1127061554 is 4551607211.

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

It can be written as a sum of positive squares in only one way, i.e., 982509025 + 144552529 = 31345^2 + 12023^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1127061554.

It is not an unprimeable number, because it can be changed into a prime (1127061553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281765387 + ... + 281765390.

Almost surely, 2^1127061554 is an apocalyptic number.

1127061554 is a deficient number, since it is larger than the sum of its proper divisors (563530780).

1127061554 is an equidigital number, since it uses as much as digits as its factorization.

1127061554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563530779.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 1127061554 is about 33571.7374289744. The cubic root of 1127061554 is about 1040.6768135143.

Adding to 1127061554 its reverse (4551607211), we get a palindrome (5678668765).

The spelling of 1127061554 in words is "one billion, one hundred twenty-seven million, sixty-one thousand, five hundred fifty-four".