1065551242 has 16 divisors (see below), whose sum is σ = 1827584640. Its totient is φ = 456433488.

The previous prime is 1065551231. The next prime is 1065551243. The reversal of 1065551242 is 2421555601.

It is a super-2 number, since 2×1065551242² = 2270798898655485128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065551243) 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, 10984 + ... + 47452.

It is an arithmetic number, because the mean of its divisors is an integer number (114224040).

Almost surely, 2^1065551242 is an apocalyptic number.

1065551242 is a deficient number, since it is larger than the sum of its proper divisors (762033398).

1065551242 is a wasteful number, since it uses less digits than its factorization.

1065551242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38565.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 1065551242 is about 32642.7823875355. The cubic root of 1065551242 is about 1021.3896354579.

The spelling of 1065551242 in words is "one billion, sixty-five million, five hundred fifty-one thousand, two hundred forty-two".