1122447072045 has 32 divisors (see below), whose sum is σ = 1934122240512. Its totient is φ = 552572301312.

The previous prime is 1122447072029. The next prime is 1122447072073. The reversal of 1122447072045 is 5402707442211.

It is not a de Polignac number, because 1122447072045 - 2⁴ = 1122447072029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 1122447071994 and 1122447072012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8272269 + ... + 8406861.

It is an arithmetic number, because the mean of its divisors is an integer number (60441320016).

Almost surely, 2^{1122447072045} is an apocalyptic number.

1122447072045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1122447072045 is a deficient number, since it is larger than the sum of its proper divisors (811675168467).

1122447072045 is a wasteful number, since it uses less digits than its factorization.

1122447072045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177381.

The product of its (nonzero) digits is 125440, while the sum is 39.

The spelling of 1122447072045 in words is "one trillion, one hundred twenty-two billion, four hundred forty-seven million, seventy-two thousand, forty-five".