126154051 has 2 divisors, whose sum is σ = 126154052. Its totient is φ = 126154050.

The previous prime is 126154043. The next prime is 126154079. The reversal of 126154051 is 150451621.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (150451621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126154051 - 2³ = 126154043 is a prime.

It is not a weakly prime, because it can be changed into another prime (126154751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63077025 + 63077026.

It is an arithmetic number, because the mean of its divisors is an integer number (63077026).

Almost surely, 2^126154051 is an apocalyptic number.

126154051 is a deficient number, since it is larger than the sum of its proper divisors (1).

126154051 is an equidigital number, since it uses as much as digits as its factorization.

126154051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 126154051 is about 11231.8320411231. The cubic root of 126154051 is about 501.5340233979.

The spelling of 126154051 in words is "one hundred twenty-six million, one hundred fifty-four thousand, fifty-one".