1945641124 has 24 divisors (see below), whose sum is σ = 3981779648. Its totient is φ = 814453920.

The previous prime is 1945641121. The next prime is 1945641197. The reversal of 1945641124 is 4211465491.

It is not an unprimeable number, because it can be changed into a prime (1945641121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806787 + ... + 809194.

Almost surely, 2^1945641124 is an apocalyptic number.

1945641124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1945641124 is an abundant number, since it is smaller than the sum of its proper divisors (2036138524).

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

1945641124 is a wasteful number, since it uses less digits than its factorization.

1945641124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616035 (or 1616033 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 1945641124 is about 44109.4221680584. The cubic root of 1945641124 is about 1248.4013962310.

The spelling of 1945641124 in words is "one billion, nine hundred forty-five million, six hundred forty-one thousand, one hundred twenty-four".