1045120503730 has 16 divisors (see below), whose sum is σ = 1991876725080. Its totient is φ = 393457130752.

The previous prime is 1045120503727. The next prime is 1045120503767. The reversal of 1045120503730 is 373050215401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1044367495249 + 753008481 = 1021943^2 + 27441^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1045120503692 and 1045120503701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3073883665 + ... + 3073884004.

Almost surely, 2^{1045120503730} is an apocalyptic number.

1045120503730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1045120503730 is a deficient number, since it is larger than the sum of its proper divisors (946756221350).

1045120503730 is a wasteful number, since it uses less digits than its factorization.

1045120503730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6147767693.

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 1045120503730 in words is "one trillion, forty-five billion, one hundred twenty million, five hundred three thousand, seven hundred thirty".