1254351122 has 4 divisors (see below), whose sum is σ = 1881526686. Its totient is φ = 627175560.

The previous prime is 1254351079. The next prime is 1254351127. The reversal of 1254351122 is 2211534521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2211534521 = 7 ⋅315933503.

It can be written as a sum of positive squares in only one way, i.e., 1061391241 + 192959881 = 32579^2 + 13891^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1254351091 and 1254351100.

It is not an unprimeable number, because it can be changed into a prime (1254351127) by changing a digit.

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 as a sum of consecutive naturals, namely, 313587779 + ... + 313587782.

Almost surely, 2^1254351122 is an apocalyptic number.

1254351122 is a deficient number, since it is larger than the sum of its proper divisors (627175564).

1254351122 is an equidigital number, since it uses as much as digits as its factorization.

1254351122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627175563.

The product of its digits is 2400, while the sum is 26.

The square root of 1254351122 is about 35416.8197612377. The cubic root of 1254351122 is about 1078.4657919861.

Adding to 1254351122 its reverse (2211534521), we get a palindrome (3465885643).

The spelling of 1254351122 in words is "one billion, two hundred fifty-four million, three hundred fifty-one thousand, one hundred twenty-two".