126443954 has 16 divisors (see below), whose sum is σ = 233435328. Its totient is φ = 50021712.

The previous prime is 126443939. The next prime is 126443969. The reversal of 126443954 is 459344621.

It is an interprime number because it is at equal distance from previous prime (126443939) and next prime (126443969).

It is a Curzon number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 347192 + ... + 347555.

It is an arithmetic number, because the mean of its divisors is an integer number (14589708).

Almost surely, 2^126443954 is an apocalyptic number.

126443954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

126443954 is a deficient number, since it is larger than the sum of its proper divisors (106991374).

126443954 is a wasteful number, since it uses less digits than its factorization.

126443954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694769.

The product of its digits is 103680, while the sum is 38.

The square root of 126443954 is about 11244.7300545633. The cubic root of 126443954 is about 501.9179058678.

The spelling of 126443954 in words is "one hundred twenty-six million, four hundred forty-three thousand, nine hundred fifty-four".