1121400570 has 32 divisors (see below), whose sum is σ = 2710733760. Its totient is φ = 296887680.

The previous prime is 1121400517. The next prime is 1121400583. The reversal of 1121400570 is 750041211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130291 + ... + 138630.

It is an arithmetic number, because the mean of its divisors is an integer number (84710430).

Almost surely, 2^1121400570 is an apocalyptic number.

1121400570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121400570 is an abundant number, since it is smaller than the sum of its proper divisors (1589333190).

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

1121400570 is a wasteful number, since it uses less digits than its factorization.

1121400570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269070.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 1121400570 is about 33487.3195403872. The cubic root of 1121400570 is about 1038.9315240694.

Adding to 1121400570 its reverse (750041211), we get a palindrome (1871441781).

The spelling of 1121400570 in words is "one billion, one hundred twenty-one million, four hundred thousand, five hundred seventy".