1125240100450 has 24 divisors (see below), whose sum is σ = 2093814893520. Its totient is φ = 449909307600.

The previous prime is 1125240100429. The next prime is 1125240100471. The reversal of 1125240100450 is 540010425211.

It is an interprime number because it is at equal distance from previous prime (1125240100429) and next prime (1125240100471).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4546560 + ... + 4787659.

It is an arithmetic number, because the mean of its divisors is an integer number (87242287230).

Almost surely, 2^{1125240100450} is an apocalyptic number.

1125240100450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125240100450 is a deficient number, since it is larger than the sum of its proper divisors (968574793070).

1125240100450 is a wasteful number, since it uses less digits than its factorization.

1125240100450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9336642 (or 9336637 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 1125240100450 its reverse (540010425211), we get a palindrome (1665250525661).

The spelling of 1125240100450 in words is "one trillion, one hundred twenty-five billion, two hundred forty million, one hundred thousand, four hundred fifty".