1045451121 has 16 divisors (see below), whose sum is σ = 1637630400. Its totient is φ = 584867520.

The previous prime is 1045451119. The next prime is 1045451167. The reversal of 1045451121 is 1211545401.

It is not a de Polignac number, because 1045451121 - 2¹ = 1045451119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1045451091 and 1045451100.

It is not an unprimeable number, because it can be changed into a prime (1045451171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1218046 + ... + 1218903.

It is an arithmetic number, because the mean of its divisors is an integer number (102351900).

Almost surely, 2^1045451121 is an apocalyptic number.

1045451121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1045451121 is a deficient number, since it is larger than the sum of its proper divisors (592179279).

1045451121 is a wasteful number, since it uses less digits than its factorization.

1045451121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436976.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 1045451121 is about 32333.4365788730. The cubic root of 1045451121 is about 1014.9264657511.

Adding to 1045451121 its reverse (1211545401), we get a palindrome (2256996522).

The spelling of 1045451121 in words is "one billion, forty-five million, four hundred fifty-one thousand, one hundred twenty-one".