126433155154 has 4 divisors (see below), whose sum is σ = 189649732734. Its totient is φ = 63216577576.

The previous prime is 126433155151. The next prime is 126433155181. The reversal of 126433155154 is 451551334621.

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., 125580223129 + 852932025 = 354373^2 + 29205^2 .

It is not an unprimeable number, because it can be changed into a prime (126433155151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31608288787 + ... + 31608288790.

Almost surely, 2^126433155154 is an apocalyptic number.

126433155154 is a deficient number, since it is larger than the sum of its proper divisors (63216577580).

126433155154 is an equidigital number, since it uses as much as digits as its factorization.

126433155154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63216577579.

The product of its digits is 216000, while the sum is 40.

Adding to 126433155154 its reverse (451551334621), we get a palindrome (577984489775).

The spelling of 126433155154 in words is "one hundred twenty-six billion, four hundred thirty-three million, one hundred fifty-five thousand, one hundred fifty-four".