1121551504 has 10 divisors (see below), whose sum is σ = 2173006070. Its totient is φ = 560775744.

The previous prime is 1121551471. The next prime is 1121551531. The reversal of 1121551504 is 4051551211.

It can be written as a sum of positive squares in only one way, i.e., 806560000 + 314991504 = 28400^2 + 17748^2 .

It is a super-2 number, since 2×1121551504² = 2515755552249324032, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35048469 + ... + 35048500.

It is an arithmetic number, because the mean of its divisors is an integer number (217300607).

Almost surely, 2^1121551504 is an apocalyptic number.

It is an amenable number.

1121551504 is a deficient number, since it is larger than the sum of its proper divisors (1051454566).

1121551504 is an equidigital number, since it uses as much as digits as its factorization.

1121551504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70096977 (or 70096971 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 1121551504 is about 33489.5730638657. The cubic root of 1121551504 is about 1038.9781333603.

The spelling of 1121551504 in words is "one billion, one hundred twenty-one million, five hundred fifty-one thousand, five hundred four".