1351224272454 has 16 divisors (see below), whose sum is σ = 3088512622848. Its totient is φ = 386064077832.

The previous prime is 1351224272417. The next prime is 1351224272459. The reversal of 1351224272454 is 4542724221531.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 32172006487 = 1351224272454 / (1 + 3 + 5 + 1 + 2 + 2 + 4 + 2 + 7 + 2 + 4 + 5 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351224272459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16086003202 + ... + 16086003285.

It is an arithmetic number, because the mean of its divisors is an integer number (193032038928).

Almost surely, 2^{1351224272454} is an apocalyptic number.

1351224272454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1351224272454 is an abundant number, since it is smaller than the sum of its proper divisors (1737288350394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1351224272454 is a wasteful number, since it uses less digits than its factorization.

1351224272454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32172006499.

The product of its digits is 537600, while the sum is 42.

Adding to 1351224272454 its reverse (4542724221531), we get a palindrome (5893948493985).

The spelling of 1351224272454 in words is "one trillion, three hundred fifty-one billion, two hundred twenty-four million, two hundred seventy-two thousand, four hundred fifty-four".