1042451121 has 8 divisors (see below), whose sum is σ = 1390361824. Its totient is φ = 694753920.

The previous prime is 1042451119. The next prime is 1042451141. The reversal of 1042451121 is 1211542401.

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

It is not a de Polignac number, because 1042451121 - 2¹ = 1042451119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042451141) 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, 41611 + ... + 61776.

It is an arithmetic number, because the mean of its divisors is an integer number (173795228).

Almost surely, 2^1042451121 is an apocalyptic number.

It is an amenable number.

1042451121 is a deficient number, since it is larger than the sum of its proper divisors (347910703).

1042451121 is a wasteful number, since it uses less digits than its factorization.

1042451121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106751.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1042451121 is about 32287.0116455518. The cubic root of 1042451121 is about 1013.9547332632.

Adding to 1042451121 its reverse (1211542401), we get a palindrome (2253993522).

The spelling of 1042451121 in words is "one billion, forty-two million, four hundred fifty-one thousand, one hundred twenty-one".