1121458371 has 24 divisors (see below), whose sum is σ = 1671458880. Its totient is φ = 668139120.

The previous prime is 1121458301. The next prime is 1121458409. The reversal of 1121458371 is 1738541211.

It is not a de Polignac number, because 1121458371 - 2¹⁷ = 1121327299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121458301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4765 + ... + 47598.

It is an arithmetic number, because the mean of its divisors is an integer number (69644120).

Almost surely, 2^1121458371 is an apocalyptic number.

1121458371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1121458371 is a deficient number, since it is larger than the sum of its proper divisors (550000509).

1121458371 is a wasteful number, since it uses less digits than its factorization.

1121458371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52447 (or 52436 counting only the distinct ones).

The product of its digits is 6720, while the sum is 33.

The square root of 1121458371 is about 33488.1825574336. The cubic root of 1121458371 is about 1038.9493738461.

Adding to 1121458371 its reverse (1738541211), we get a palindrome (2859999582).

The spelling of 1121458371 in words is "one billion, one hundred twenty-one million, four hundred fifty-eight thousand, three hundred seventy-one".