126157451 has 8 divisors (see below), whose sum is σ = 147696864. Its totient is φ = 105497280.

The previous prime is 126157439. The next prime is 126157477. The reversal of 126157451 is 154751621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-126157451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126157481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219500 + ... + 220073.

It is an arithmetic number, because the mean of its divisors is an integer number (18462108).

Almost surely, 2^126157451 is an apocalyptic number.

126157451 is a deficient number, since it is larger than the sum of its proper divisors (21539413).

126157451 is an equidigital number, since it uses as much as digits as its factorization.

126157451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439621.

The product of its digits is 8400, while the sum is 32.

The square root of 126157451 is about 11231.9833956430. The cubic root of 126157451 is about 501.5385290013.

The spelling of 126157451 in words is "one hundred twenty-six million, one hundred fifty-seven thousand, four hundred fifty-one".