1420043167251 has 6 divisors (see below), whose sum is σ = 2051173463820. Its totient is φ = 946695444828.

The previous prime is 1420043167247. The next prime is 1420043167261. The reversal of 1420043167251 is 1527613400241.

1420043167251 is a `hidden beast` number, since 1 + 4 + 200 + 43 + 167 + 251 = 666.

It is not a de Polignac number, because 1420043167251 - 2² = 1420043167247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420043167201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78891287061 + ... + 78891287078.

It is an arithmetic number, because the mean of its divisors is an integer number (341862243970).

Almost surely, 2^{1420043167251} is an apocalyptic number.

1420043167251 is a deficient number, since it is larger than the sum of its proper divisors (631130296569).

1420043167251 is a wasteful number, since it uses less digits than its factorization.

1420043167251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157782574145 (or 157782574142 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Adding to 1420043167251 its reverse (1527613400241), we get a palindrome (2947656567492).

The spelling of 1420043167251 in words is "one trillion, four hundred twenty billion, forty-three million, one hundred sixty-seven thousand, two hundred fifty-one".