126320154 has 16 divisors (see below), whose sum is σ = 258516192. Its totient is φ = 41127408.

The previous prime is 126320153. The next prime is 126320179. The reversal of 126320154 is 451023621.

It is not an unprimeable number, because it can be changed into a prime (126320153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244549 + ... + 245064.

It is an arithmetic number, because the mean of its divisors is an integer number (16157262).

Almost surely, 2^126320154 is an apocalyptic number.

126320154 is an abundant number, since it is smaller than the sum of its proper divisors (132196038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126320154 is a wasteful number, since it uses less digits than its factorization.

126320154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489661.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 126320154 is about 11239.2239055906. The cubic root of 126320154 is about 501.7540447916.

Adding to 126320154 its reverse (451023621), we get a palindrome (577343775).

It can be divided in two parts, 1263201 and 54, that added together give a triangular number (1263255 = T₁₅₈₉).

The spelling of 126320154 in words is "one hundred twenty-six million, three hundred twenty thousand, one hundred fifty-four".