1212040454 has 8 divisors (see below), whose sum is σ = 1824770208. Its totient is φ = 603783720.

The previous prime is 1212040447. The next prime is 1212040523. The reversal of 1212040454 is 4540402121.

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

It is a super-2 number, since 2×1212040454² = 2938084124265052232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1117577 + ... + 1118660.

It is an arithmetic number, because the mean of its divisors is an integer number (228096276).

Almost surely, 2^1212040454 is an apocalyptic number.

1212040454 is a deficient number, since it is larger than the sum of its proper divisors (612729754).

1212040454 is a wasteful number, since it uses less digits than its factorization.

1212040454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236510.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1212040454 is about 34814.3713716046. The cubic root of 1212040454 is about 1066.2008845051.

Adding to 1212040454 its reverse (4540402121), we get a palindrome (5752442575).

The spelling of 1212040454 in words is "one billion, two hundred twelve million, forty thousand, four hundred fifty-four".