1225342454 has 16 divisors (see below), whose sum is σ = 2102097408. Its totient is φ = 524769192.

The previous prime is 1225342451. The next prime is 1225342519. The reversal of 1225342454 is 4542435221.

It is a self number, because there is not a number n which added to its sum of digits gives 1225342454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225342451) 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, 10832 + ... + 50675.

It is an arithmetic number, because the mean of its divisors is an integer number (131381088).

Almost surely, 2^1225342454 is an apocalyptic number.

1225342454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1225342454 is a deficient number, since it is larger than the sum of its proper divisors (876754954).

1225342454 is a wasteful number, since it uses less digits than its factorization.

1225342454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62939.

The product of its digits is 38400, while the sum is 32.

The square root of 1225342454 is about 35004.8918581389. The cubic root of 1225342454 is about 1070.0871778040.

Adding to 1225342454 its reverse (4542435221), we get a palindrome (5767777675).

The spelling of 1225342454 in words is "one billion, two hundred twenty-five million, three hundred forty-two thousand, four hundred fifty-four".