1098766126 has 4 divisors (see below), whose sum is σ = 1648149192. Its totient is φ = 549383062.

The previous prime is 1098766091. The next prime is 1098766129. The reversal of 1098766126 is 6216678901.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098766129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274691530 + ... + 274691533.

It is an arithmetic number, because the mean of its divisors is an integer number (412037298).

Almost surely, 2^1098766126 is an apocalyptic number.

1098766126 is a deficient number, since it is larger than the sum of its proper divisors (549383066).

1098766126 is an equidigital number, since it uses as much as digits as its factorization.

1098766126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549383065.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 1098766126 is about 33147.6413338868. The cubic root of 1098766126 is about 1031.8940002650.

The spelling of 1098766126 in words is "one billion, ninety-eight million, seven hundred sixty-six thousand, one hundred twenty-six".