122156146354 has 16 divisors (see below), whose sum is σ = 208582827840. Its totient is φ = 53111367760.

The previous prime is 122156146351. The next prime is 122156146367. The reversal of 122156146354 is 453641651221.

It is not an unprimeable number, because it can be changed into a prime (122156146351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120707149 + ... + 120708160.

It is an arithmetic number, because the mean of its divisors is an integer number (13036426740).

Almost surely, 2^122156146354 is an apocalyptic number.

122156146354 is a deficient number, since it is larger than the sum of its proper divisors (86426681486).

122156146354 is a wasteful number, since it uses less digits than its factorization.

122156146354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241415345.

The product of its digits is 172800, while the sum is 40.

Adding to 122156146354 its reverse (453641651221), we get a palindrome (575797797575).

The spelling of 122156146354 in words is "one hundred twenty-two billion, one hundred fifty-six million, one hundred forty-six thousand, three hundred fifty-four".