1121052154 has 8 divisors (see below), whose sum is σ = 1754690400. Its totient is φ = 536155356.

The previous prime is 1121052139. The next prime is 1121052169. The reversal of 1121052154 is 4512501211.

It is an interprime number because it is at equal distance from previous prime (1121052139) and next prime (1121052169).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12185304 + ... + 12185395.

It is an arithmetic number, because the mean of its divisors is an integer number (219336300).

Almost surely, 2^1121052154 is an apocalyptic number.

1121052154 is a deficient number, since it is larger than the sum of its proper divisors (633638246).

1121052154 is a wasteful number, since it uses less digits than its factorization.

1121052154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24370724.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1121052154 is about 33482.1169282947. The cubic root of 1121052154 is about 1038.8239152242.

Adding to 1121052154 its reverse (4512501211), we get a palindrome (5633553365).

The spelling of 1121052154 in words is "one billion, one hundred twenty-one million, fifty-two thousand, one hundred fifty-four".