1125741019 has 8 divisors (see below), whose sum is σ = 1216717040. Its totient is φ = 1035390816.

The previous prime is 1125741017. The next prime is 1125741061. The reversal of 1125741019 is 9101475211.

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

It is a cyclic number.

It is not a de Polignac number, because 1125741019 - 2¹ = 1125741017 is a prime.

It is a super-2 number, since 2×1125741019² = 2534585683718316722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125741011) 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, 152709 + ... + 159910.

It is an arithmetic number, because the mean of its divisors is an integer number (152089630).

Almost surely, 2^1125741019 is an apocalyptic number.

1125741019 is a deficient number, since it is larger than the sum of its proper divisors (90976021).

1125741019 is a wasteful number, since it uses less digits than its factorization.

1125741019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312909.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 1125741019 is about 33552.0643031096. The cubic root of 1125741019 is about 1040.2702142416.

The spelling of 1125741019 in words is "one billion, one hundred twenty-five million, seven hundred forty-one thousand, nineteen".