126498742 has 4 divisors (see below), whose sum is σ = 189748116. Its totient is φ = 63249370.

The previous prime is 126498739. The next prime is 126498787. The reversal of 126498742 is 247894621.

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

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, 31624684 + ... + 31624687.

It is an arithmetic number, because the mean of its divisors is an integer number (47437029).

Almost surely, 2^126498742 is an apocalyptic number.

126498742 is a deficient number, since it is larger than the sum of its proper divisors (63249374).

126498742 is an equidigital number, since it uses as much as digits as its factorization.

126498742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63249373.

The product of its digits is 193536, while the sum is 43.

The square root of 126498742 is about 11247.1659541415. The cubic root of 126498742 is about 501.9903888574.

The spelling of 126498742 in words is "one hundred twenty-six million, four hundred ninety-eight thousand, seven hundred forty-two".