1126455100 has 36 divisors (see below), whose sum is σ = 2462279904. Its totient is φ = 447287680.

The previous prime is 1126455079. The next prime is 1126455101. The reversal of 1126455100 is 15546211.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126455101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27412 + ... + 54811.

It is an arithmetic number, because the mean of its divisors is an integer number (68396664).

Almost surely, 2^1126455100 is an apocalyptic number.

1126455100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1126455100 is an abundant number, since it is smaller than the sum of its proper divisors (1335824804).

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

1126455100 is a wasteful number, since it uses less digits than its factorization.

1126455100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82374 (or 82367 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1126455100 is about 33562.7040031044. The cubic root of 1126455100 is about 1040.4901227795.

The spelling of 1126455100 in words is "one billion, one hundred twenty-six million, four hundred fifty-five thousand, one hundred".