1125450103400 has 192 divisors, whose sum is σ = 3028662403200. Its totient is φ = 380948751360.

The previous prime is 1125450103391. The next prime is 1125450103409. The reversal of 1125450103400 is 43010545211.

It is an interprime number because it is at equal distance from previous prime (1125450103391) and next prime (1125450103409).

It is a self number, because there is not a number n which added to its sum of digits gives 1125450103400.

It is not an unprimeable number, because it can be changed into a prime (1125450103409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 229260146 + ... + 229265054.

It is an arithmetic number, because the mean of its divisors is an integer number (15774283350).

Almost surely, 2^{1125450103400} is an apocalyptic number.

1125450103400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125450103400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1514331201600).

1125450103400 is an abundant number, since it is smaller than the sum of its proper divisors (1903212299800).

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

1125450103400 is a wasteful number, since it uses less digits than its factorization.

1125450103400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6988 (or 6979 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 1125450103400 its reverse (43010545211), we get a palindrome (1168460648611).

The spelling of 1125450103400 in words is "one trillion, one hundred twenty-five billion, four hundred fifty million, one hundred three thousand, four hundred".