1254052440105 has 64 divisors (see below), whose sum is σ = 2148166766592. Its totient is φ = 623192613120.

The previous prime is 1254052440101. The next prime is 1254052440181. The reversal of 1254052440105 is 5010442504521.

It is a happy number.

It is not a de Polignac number, because 1254052440105 - 2² = 1254052440101 is a prime.

It is a super-2 number, since 2×1254052440105² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1254052440101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5420140 + ... + 5646770.

It is an arithmetic number, because the mean of its divisors is an integer number (33565105728).

Almost surely, 2^{1254052440105} is an apocalyptic number.

1254052440105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1254052440105 is a deficient number, since it is larger than the sum of its proper divisors (894114326487).

1254052440105 is a wasteful number, since it uses less digits than its factorization.

1254052440105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227078.

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 1254052440105 its reverse (5010442504521), we get a palindrome (6264494944626).

The spelling of 1254052440105 in words is "one trillion, two hundred fifty-four billion, fifty-two million, four hundred forty thousand, one hundred five".