1200045554 has 8 divisors (see below), whose sum is σ = 1801081008. Its totient is φ = 599685220.

The previous prime is 1200045547. The next prime is 1200045559. The reversal of 1200045554 is 4555400021.

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

It is not an unprimeable number, because it can be changed into a prime (1200045559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164312 + ... + 171459.

It is an arithmetic number, because the mean of its divisors is an integer number (225135126).

Almost surely, 2^1200045554 is an apocalyptic number.

1200045554 is a deficient number, since it is larger than the sum of its proper divisors (601035454).

1200045554 is a wasteful number, since it uses less digits than its factorization.

1200045554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337560.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1200045554 is about 34641.6736604916. The cubic root of 1200045554 is about 1062.6720157759.

Adding to 1200045554 its reverse (4555400021), we get a palindrome (5755445575).

The spelling of 1200045554 in words is "one billion, two hundred million, forty-five thousand, five hundred fifty-four".