1226455032542 has 4 divisors (see below), whose sum is σ = 1839682548816. Its totient is φ = 613227516270.

The previous prime is 1226455032533. The next prime is 1226455032557. The reversal of 1226455032542 is 2452305546221.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1226455032542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306613758134 + ... + 306613758137.

It is an arithmetic number, because the mean of its divisors is an integer number (459920637204).

Almost surely, 2^{1226455032542} is an apocalyptic number.

1226455032542 is a deficient number, since it is larger than the sum of its proper divisors (613227516274).

1226455032542 is an equidigital number, since it uses as much as digits as its factorization.

1226455032542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613227516273.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 1226455032542 in words is "one trillion, two hundred twenty-six billion, four hundred fifty-five million, thirty-two thousand, five hundred forty-two".